题目内容

basic fist-aid techniques will help you respond quickly to emergencies.

A. Known B. Having known

C. Knowing D. Being known

C

【解析】

试题分析:考查现在分词短语做作主语。动词的现在分词可以作主语,表示动作的进行时,或者强调动作。这里know basic fist-aid techniques 了解基本的急救技术,know,vt,知道,了解,是一个直接的动宾结构,所以可以直接用know的现在分词形式作主语。句意:了解基本的急救技术将会帮助你对紧急情况作出快速反应。故选C。

考点:考查现在分词短语做作主语

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[1]If you can’t find your keys , ask a woman.It’s reported that females are better than males at multitasking, particularly if those tasks include searching for lost items, for example , the car keys.

[2]Researchers carried out two experiments, in which men and women have to juggle(同时做)several tasks.Examples of this include working in a busy office or cooking several dishes at once for a meal.In the first battle of the sexes , the volunteers played a computer game that required rapid changes of attention.Both sexes slowed down , but the women slowed less.This suggests that they found multitasking easier.

[3]In the second experiment , volunteers were given 8 minutes to complete a set of sums , search for restaurants on a map and work out the route they would take to search for a set of keys lost in a field.The two sexes did well on all the tasks, but the key hunt — in which the searches planned by the women were judged to be clearly superior.When it is the only thing to be done, both sexes are equally good at it.It showed that men’s ability to plan a search for lost keys breaks down, when put under the pressure of multitasking.The results suggest that women are better at multitasking than men.

[4] Women’s advantage at doing tasks has its roots in evolution.In the Stone Age , men could probably go out and hunt for food , while the women stayed at home and multi-tasked.They were always looking out for their children , as well as doing other things , like gathering fruits and doing mending and making stone tools.Men probably have somewhat more of a one-track mind.

1.What does the text mainly talk about? (no more than 6 words )

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2.How many experiments did researchers do? (no more than 2 words )

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3.In the first battle of the sexes, what did the volunteers do ? (no more than 12 words )

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4.When searching for lost keys is their only task, how do both sexes perform ? (no more than 5 words )

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5.What work did men mainly do in the Stone Age ? (no more than 8 words )

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