85初三英语二模虹口试卷及答案中学教育中考中学教育中考.pdf

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1、虹口区 2019 学年度第二学期期中学生学习能力诊断测试初三英语试卷 （满分 150 分，考试时间 100 分钟）考生注意：本卷有 7 大题，共 94 小题。试题均采用连续编号，所有答案务必按照规定 在答题纸上完成，做在试卷上不给分。Part 1 Listening(第一部分 听力)I.Listening Comprehension(听力理解)(共 30分)A.Listen and choose the right picture(根据你听到的内容，选出相应的图片)(共 6分)A B C D E F G H 1._ 2._ 3._ 4._ 5._6._ B.Listen and choose

2、the best answer(根据你听到的对话和问题，选出最恰当的答案)(共 8分)7.A)7:00.B)7:30.C)8:00.D)8:30.8.A)Japan.B)France.C)Italy.D)Canada.9.A)By car.B)By train.C)By plane.D)By ship.10.A)Excited.B)Satisfied.C)Frightened.D)Surprised.11.A)In a school library.B)At a gift shop.C)In a travel agency.D)At a graduation party.12.A)Bring

3、some dessert.B)Take Michael to the party.C)Buy a box of chocolate.D)Give Michael a bigger 甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分

4、黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角dinner.13.A)To say“hello”to the doctor.B)To tell the doctor shell ask for leave.C)To tell the doctor shell be late.D)To ask the doctor to repair her car.14.A)H e doesnt like the movie.B)He had no time to wat

5、ch the movie.C)He couldnt afford the movie.D)He prefers staying home to watching the movie.C.Listen to the passage and tell whether the following statements are true or false(判断下列句子是否符合你听到的短文内容，符合的用“T”表示，不符合的用“F”表示)(共 6分)15.The new king was determined to learn all the wisdom of the world to rule his

6、 kingdom.16.In the first five years the wise men returned with their camels(骆驼)carrying 500 books.17.The king didnt know how to start,so he ordered the wise men to read the books to him.18.When the king was troubled with many problems,he took great 甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长

7、部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角interest in reading the 50 books.19.The wise men

8、 succeeded in shortening the 50 books into one book and presented it to the king.20.The story tells us wisdom doesnt come by itself and if there is no action,there can be no gain.D.Listen to the passage and complete the following sentences(听短文，完成下列内容。每空格限填一词)(共 10分)21.After one year and _ _ views,Ni

9、cholson,the kitten and the bicycle are famous.22.The chance between Nicholson and the kitten has _ _ a book,to be announced tomorrow.23.Nicholson gave up his job in Dunbar and left on a round-the-world _ _.24.The kitten was named“Nala”by Nicholson,after _ _ 甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各

10、部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角 in The Lion King.25.Nicholson now devo

11、tes(致力于)his travels to rescuing cats and helping them _ _.“Wherever I take my cat is my home.”Part 2 Phonetics,Grammar and Vocabulary (第二部分 语音、语法和词汇)II.Choose the best answer(选择最恰当的答案)(共 20分)26.I think its fair to say that.Which of the following is correct for the underlined word A)/f /B)/fe/C)/f/D)

12、/f /27.Did you notice the lady who was talking happily on _ phone over there A)/B)a C)an D)the 28.Amanda is a very helpful girl and she always gives a hand to _ friends.甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞

13、芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角A)her B)hers C)she D)herself 29.Kobe Bryant,one of the greatest basketball players in the world,died _ January 26,2020.A)at B)of

14、 C)in D)on 30.The story sounded quite familiar_ me,and I got a little bored.A)from B)for C)to D)with 31.Grandpa received a mobile phone from Auntie Liu on his _ birthday.A)sixty B)sixtieth C)sixties D)sixtieths 32.From _ building did the firemen save the old woman last night The yellow one.A)which B

15、)when C)whose D)where 33.Thanks to“seniors college”,my grandmother feels much _ and less lonely as well.甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着

16、生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角A)young B)younger C)youngest D)the youngest 34.To win the game,we _ build up our hope and confidence and practice harder.A)can B)need C)should D)may 35.The old man lives happily with his three

17、dogs.He considers _ of them as part of his family.A)neither B)none C)both D)all 36.Tony had a high fever and coughed a lot,_ his parents took him to hospital at once.A)for B)but C)or D)so 37.Dont jump to a conclusion!Youd better _ the problem first.A)discuss B)to discuss C)discussing D)discussed 38.

18、Please _ your notes once again before doing your homework.A)going over B)went over C)go over D)to go over 甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶

19、耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角39.My mother was washing the dishes _ I was playing the piano at that time.A)since B)while C)until D)unless 40.Mr.Jones expected the insurance company _ him much money for the vase.A)paid B)p

20、aying C)to pay D)pays 41.John promises that he will give his cousin a call as soon as he _ in Europe.A)arrived B)had arrived C)will arrive D)arrives 42.The volunteers _ a lot of help to the community a couple of weeks ago.A)offered B)will offer C)are offering D)had offered 43.After a heated discussi

21、on,they have decided where the new shopping mall _.A)will be built B)will build C)would be built D)would build 44.Could you help me put up the poster on the wall 甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶

22、叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角 _ A)Take it easy.B)No problem.C)I hope so.D)That s a good idea.45._ Good luck.A)I will go to Germany with my parents this summer holid

23、ay.B)I won the first prize in the chemistry competition last week.C)I am going to have an interview in that company this afternoon.D)I fell off the bicycle and hurt my leg on my way home yesterday.III.Complete the following passage with the words or phrases in the box.Each word can only be used once

24、(将下列单词或词组填入空格,每空格限填一词，每词只能填一次)（共 8分）A)deal with B)around C)learn about D)another E)mainly No school,no playground,no museum or library just long,drawn out home time.Thats the life most children 46 the country are leading during the coronavirus outbreak(冠状病毒爆发).甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别

25、观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角To help children better 47 this hard

26、 tim e w hile letting them know some culture and history,the Palace Museum has partnered with CITIC Press Group to roll out I Want to Visit the Palace Museum,a 20-volume childrens encyclopedia,along with 48 10 free videos by the same name,to take readers aged between 5 and 15 as well as curious adul

27、ts,on a fun,immersive(沉浸式虚拟现实的)and in-depth tour of the 600-year-old royal palace.Besides gaining a comprehensive understanding of the Ming and Qing(1368-1901)palace architecture,readers can also 49 521 man-made cultural objects housed in the museum,126 historical events and 79 ancient crafts from t

28、his period.A)effort B)seldom C)favorite D)interest E)simple“The Palace Museum is my 50 place,and I never get tired of going there no matter how many times I have already visited.I like this book,as it helped me know much more about the museum,”one commenter(评论家)said on Douban,Chinas equivalent to 甘蔗

29、优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五

30、角Goodreads.“My daughter loves the colorful cartoon illustrations in the book!They and the 51 language are helping her understand the Palace Museum better,”one buyer commented on Dangdang,a popular book shopping site in China.“The book and the video are an 52 to explain the architecture of the Palace

31、 Museum,the history behind it and its key cultural relics with an easy-to-understand way,”said Wang Xudong,director of the Palace Museum.They were developed to help children understand the Palace Museum,as well as build an 53 in the museum and the most important part of traditional Chinese culture,t

32、he director added.IV.Complete the sentences with the given words in their proper forms(用括号中所给单词的适当形式完成下列句子，每空格限填一词)(共 8分)54.Im fond of eating fruit.Mangoes and _ are my favourite.(strawberry)55.Tony and I have made up our minds to finish this experiment by _.(we)甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株

33、分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角56.The firemen set out _ as soon a

34、s they heard the alarm.(immediate)57.The newly-built museum is _ in the centre of our city.(location)58.Doing housework teaches kids independence,care and _.(responsible)59.Its reported that the new test might _ doctors to detect the disease early.(able)60.The supermarket near our neighbourhood sell

35、s different kinds of meat _.(produce)61.Zhong Nanshan and Li Lanjuan are medical workers.They are the real heroes.(profession)V.Complete the following sentences as required(根据所给要求，完成下列句子。6267小题每空格 限填一词)（共 14分）62.Robert has sports every day.(改为否定句)Robert _ _ sports every day.63.Its about twenty minut

36、es drive from the airport to the railway station.(对划线部分提问)甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品

37、种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角_ _ is it from the airport to the railway station 64.Our trip to Chongming Island last summer was unforgettable.(改为感叹句)_ _ our trip to Chongming Island last summer was!65.The first guest to this restaurant can enjoy the meal without paying

38、 money.(保持句意基本不变)The first guest to this restaurant can enjoy the meal _ _.66.So far scientists have done a lot of research on Mars successfully.(改为被动语态)So far a lot of research on Mars _ _ done successfully by scientists.67.Lucy was very angry.She didnt know what to say.(两句合并为一句）Lucy was _ angry _

39、she didnt know what to say.68.make a speech,whether,Marie wondered,at the meeting,she would(连词成句)_.Part 3 Reading and Writing(第三部分 读写)甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少

40、肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角VI.Reading comprehension(阅读理解)(共 50分)A.Choose the best answer(根据短文内容，选择最恰当的答案)(12 分)No trip to Sydney is complete without visiting SEA LIFE Sydney Aquarium.Special

41、ties:More than 12,000 sea animals.Over 100 metres of glass viewing tunnels.Within inches of huge sharks,rays,dugongs（儒艮）and turtles swimming above your head.Dugong Island Dugong Island hosts some dugongs and a variety of tropical fish.It is said that when early delirious sailors from Europe finally

42、arrived in Australias Shark Valley Face your fears on the Shark Walk and walk over some of the worlds biggest aquarium sharks,such as Grey Nurse Sharks.Although their sharp teeth make them look terrible,they offer 甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状

43、观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角waters,they mistook the animals for mermaids（美人鱼）after too long out on the ocean.no

44、 threat to humans.Discovery Rockpool Not all the animals are behind glass at SEA LIFE Sydney Aquarium!Come and meet one of our experts and make an amazing discovery at our rockpool.Youll be able to see and touch sea stars,shark eggs,shells and more!And yes,hand cleaner is provided.Opening time this

45、summer Regular Trading Hours:9:30am-7:00pm(last entry 6:00pm)Christmas Day Hours:9:30am-3pm(last entry 2pm)New Years Eve Hours:9:30am-3pm(last entry 2pm)Price(Children under 4 years old are free!)甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生

46、长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角 69.How many specialties of SEA LIFE Sydney Aquarium are mentioned in the material A)12,000.B)100.C)4

47、6.D)3.70.The underlined word“delirious”probably means“too _ to recognize what one sees”.A)sad B)excited C)nervous D)confused 71.If Mr.Clark takes his wife and 10-year-old daughter to SEA LIFE Sydney Aquarium and he buys the tickets online,he should pay _ for the entrance fee.A)$B)$C)$100 D)$72.Which

48、 statement is TRUE according to the passage 甘蔗优良品种甘蔗植株放大镜米尺等三方法步骤一观察甘蔗形态特征选取代表性植株分别观察各部位根蔗根由于生长部位和时间不同分为种根和苗根有时也可能发生气根气根是一种不良的经济性状观察蔗根分布范围入土深浅颜色与厚薄生长裂缝木栓裂缝和芽沟的有无长短和深浅芽的形态结包括芽鳞芽翼和芽孔等叶叶片长宽厚薄和颜色叶缘锯齿稀密叶鞘厚薄颜色蜡粉与茸毛多少肥厚带大小与形态叶与主茎所成角度披散弯曲斜立挺直等叶舌叶耳着生部位形状和和细腰形等茎色分黄绿紫红黄铜青绿等茎径用游标卡尺测量甘蔗茎中部节间的茎径比较各品种茎径属于哪一种类型的品种蜡

49、粉比较各品种节间蜡粉带的蜡粉厚薄和多少芽沟芽沟有无和深浅芽的形状分为卵圆形椭圆形倒卵形圆形五角 A)There are only dugongs in Dugong Island.B)The opening hours on Christmas Day lasts 5 hours and a half.C)Grey Nurse Sharks offer great threat to human beings.D)All the animals are behind glass at SEA LIFE Sydney Aquarium.73.What can we infer(推测)from t

50、he passage A)The population of Grey Nurse Sharks is smaller than before.B)SEA LIFE Sydney Aquarium is the best tourist attraction in Australia.C)It is not convenient for kids to clean their hands after touching starfish.D)SEA LIFE Sydney Aquarium is an educational place for people to learn about sea