必修四-2课时知能训练.doc
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1、课时知能训练.阅读理解Do you want to improve your memory?Are you struggling to remember names and faces as you get older?Try picking up the phone and speaking to someone.Scientists have found that holding a simple conversation could be just as effective as playing popular braintraining games that have reproduc
2、ed a multimillion pound industry.Researchers compared 36 studies on memory exercises performed between 1970 and 2007.Some studies suggested both healthy older adults and those with mild cognitive impairment (轻度认知缺陷)could remember words better after some memory training.However,other studies found th
3、is improvement was matched by those who were asked to hold a discussion about art.The finding that social interaction could be just as effective at keeping memory loss at bay comes after Age Concern warned more than a million people aged over 65 lived alone in their own homes.The charity warned soli
4、tary lifestyles were a silent epidemic (静默的流行病)spreading through the nation quickly.Dr Martin said most people experienced a cognitive decline in old age.This can include memory loss and inability to plan,pay close attention or perform tasks as quickly as before.The normal rate of decline seems to s
5、peed up in some people,leading to a condition called mild cognitive impairment,which some researchers see as a reason for developing mental diseases later in life.Although several studies have suggested that braintraining exercises could delay signs of cognitive decline,the studies and the types of
6、training have many different kinds.The findings do not mean that longer,more intense or different exercises might not be effective,but that those which have been reported thus far have only limited effect.Dr Martin concluded researchers needed to improve the way they used their studies to eventually
7、 determine ways of preventing cognitive decline in old age.1What is the main idea of Paragraph 1?APeople should play more braintraining games.BTraining has a great effect on our health.CHaving a conversation can improve memoryDPeople have no ways to improve memory【解析】段落大意题。根据第一段的“Do you want to impr
8、ove your memory?Are you struggling to remember names and faces as you get older?Try picking up the phone and speaking to someone.”可知,本段主要讲述了谈话可以改善记忆力。【答案】C2What does the underlined word “solitary” probably mean?AUnhealthy.BAlone.CEnjoying being alone. DLacking patience.【解析】词义猜测题。根据上下文语境和上句“.Age Conc
9、ern warned more than a million people aged over 65 lived alone in their own homes.”可知,有100多万老人都孤独地在家中。再结合下文“.were a silent epidemic spreading through the nation.”可知,这种生活方式像静默的流行病在全国蔓延。由此推测出此处“solitary”的意思应为“孤独的,单独的”。【答案】B3Mild cognitive impairment can cause people to _.Ahave mental diseasesBdevelop
10、physical diseasesCworry about the coming of old ageDescape from the reality in life【解析】细节理解题。根据第五段的“The normal rate of decline seems to speed up in some people,leading to a condition called mild cognitive impairment,which some researchers see as a reason for developing mental diseases later in life.
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