In the center of the lake are two islands.one of which is .if not larger than.the other．( )A．twice as largeB．as twice largeC．twice as large asD．as twice large as 题目和参考答案——青夏教育精英家教网——

题目内容

18．In the center of the lake are two islands，one of which is ______，if not larger than，the other．（　　）

	A．	twice as large		B．	as twice large
	C．	twice as large as		D．	as twice large as

分析湖中间的两座岛屿，其中一个至少是另一个的两倍大．

解答答案：C
句意表达的是倍数；倍数的表示法有三种：倍数+as…as…；倍数+比较级+than；倍数+the size/length/weight/width/height of．故选C．

点评本题考查倍数表示法．英语中倍数的表示法有三种：倍数+as…as…；倍数+比较级+than；倍数+the size/length/weight/wideth/height of．学习时，要注意区分和掌握．

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5．This new app enables you to create a more efficient workflow，by ______ the time it takes to move between different programs．（　　）

9．The ability to do several things at once has become one of the great measures of self-worth for 21st century Americans．It is called multi-tasking，and it takes many forms．As one example，why go out to lunch when you can eat at your desk，talk to a client on the phone，scroll through your e-mail，and scan a memo at the same time？And why simply work out on treadmill（跑步机）you could be watching television and talking on a portable phone at the same time？What a feeling of satisfaction and  victory-three activities for the time commitment  （时间的付出） of one!Ah，such efficiency．No wonder those who turn"to do"lists into a time-management art form often boast："Look，me，how many things I can complete at once．If I'm this busy，I must be important．"
Yet last week the New York Assembly struck a blow against multitasking，at least behind the wheel，when it approved a bill banning drivers in a state from using handheld cellular phones．Too  dangerous，the assembly said，citing research showing that drivers are four times more likely to a  collision（冲突）when they are talking on a cell phone．
No one can argue against using time effectively．But accompanying the supposed gains are losses．Consider the woman out for an early-morning walk in a suburban neighborhood．She walks   rapidly，head down，cell phone clamped to her ear，chattering away，unconscious of the birds and flowers and glorious sunshine．Does the walk have any value？
More than a decade ago，long before multi-tasking became a word in everyday use，a retired  professor of theology  in  Indiana with  whom I communicated made a case a time．Offering the  simplest example，he said，"When you wash the dishes，wash the dishes．"Good advice，I've found，whatever the task．
Perhaps，too，the ban on phoning-on-the-road will even sparka move away from other forms of multitasking．Who can tell？It could mark the first step in a welcome reconsideration of what really composes productivity and achievements．

57．The text is mainly aboutC．
A．phoning-on-the-road
B．physical exercise
C．multitasking in life
D．work efficiency
58．What can be inferred from the text？B．
A．Multi-tasking is a boasting topic in America today
B．The author thinks the walk that the woman takes is of no value
C．Talking on a cell phone while driving does no much harm
D．The Indian professor likes washing dishes
59．What's the author's attitude towards multitasking？D．
A．Positive
B．Supportive
C．Sympathetic
D．Critical
60．What does the underlined word"spark"in the last paragraph most probably mean？D．
A．stop
B．praise
C．warn
D．start．

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	A．	four times the speed as		B．	the speed four times of
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It is probably the strangest sport anyone has ever invented．And at first sight，it looks like the easiest．Competitors have to do two things．The first is to stand still．The second is to place their hands anywhere on the body of a car，and keep it there．
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It still seems to be an easy thing to do．At the beginning it is．Anyone can stand still．But when the contest has been going for four or five days，standing still seems like the most difficult job in the world．And keeping the hand in place over this time becomes an act of serious attention．After a few days，the hand seems to belong to someone else-someone who wants to go home and get some sleep．
Competitors are allowed to take a five-minute break every hour to eat，drink or do whatever else is necessary．No one is allowed to lean on the car for support．Winners need to be able to show great powers of attention．They also need to be able to develop special skills．
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25．The reason why the sport is called"handathon"is that competitorsD．
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B．keep one hand in place for long
C．wave hands as long as possible
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A．Standing without any support．
B．Not leaning on the car．
C．Eating and drinking in five minutes．
D．Having strong powers of attention．
27．Why is handathon popular？C
A．Someone can win with special training．
B．It doesn't need to make any preparation．
C．Anyone who is interested can join in it．
D．People get along well with each other in it．
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A．The person who takes part in it should stand still．
B．The person who takes part in it has to place his hands anywhere on the body of a car，and keep it there．
C．The person who takes part in it can have a break during the course of the competition．
D．Handathons are competitions，so competitors don't encourage each other．

11．-I can't stand you!I'm leaving．
- ．See if I care．（　　）