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时间：2018-11-28 来源：中国教育在线 作者：佚名
同步练习
1）The five year deal obligates [A] the country to buy nine million tons [B] of grain a year [C] ，three million more as [D] the old pact's minimum.
解析：D错。改为than.
2）The lens of a camera performs the lens of the eye .
[A] in the same function [B] the same function as
[C] the function is the same as [D] and has the same function
解析：B对。本句的汉语意思是“照相机的镜头和眼睛的水晶体所起的作用相同”。
3）The elimination of inflation would ensure that the amount of money used in repaying a loan would have as the amount of money borrowed.
[A] as the same value [B] the same value
[C] value as the same [D] the value is the same
解析：B对。本句的汉语意思是“消除通货膨涨会保证还的钱与借时的钱同值”。
4）There are now methods for studying color vision in infants than there once were .
[A] more sophisticated than
[B] much more sophisticated
[C] much sophisticated
[D] sophisticated
解析：B为正确答案。
5）The photographs of Mars taken by satellite are than those taken from the Earth.
[A] clearest
[B] the clearest
[C] much clearer
[D] more clearer
解析：C为正确答案。
6）Common porpoises（海豚）are usually not considered [A] migratory，although [B] some do move [C] to more warmer [D] waters in winter.
解析：D错。改为warmer.
7）During observations made over a fifty year period， the power output of the Sun has than a few tenths of one percent.
[A] varied by no more [B] varied no more by
[C] not varied more by [D] more varied by not
解析：A为正确答案。
8）Few of the people who live on the cooperatives than they were as laborers.
[A] is well off financial
[B] financially well off
[C] are better off finanically
[D] financial better off
解析：C为正确答案。
9）He came all the way to China for promoting friendship for making money.
[A] other than [B] better than [C] more than [D] rather than
解析：D为正确答案。
10）He preferred to write the letter by hand .
[A] to typing it
[B] than type it
[C] to type it
[D] rather than type it
解析：D为正确答案。
11）The harder he tried，[A] the worst [B] he danced [C] before the large [D] audience.
解析：B错。改为worse.
12）The quicker a loan [A] is repaid [B] ，the least [C] it will [D] cost.
解析：C错。改为less.
13）Hot objects emit do cold objects .
[A] rays more than infrared（红外线） [B] rays are more infrared than
[C] more than infrared rays [D] more infrared rays than
解析：D对。本句中的比较级为形容词more（much 的比较级），被比较的两个事物为“hot objects”和“cold objects”，在所释放（emit）的红外线（infrared rays）的量上，前者多于后者。其中more修饰infrared rays，它们不能被分开，故只有D在词序上正确。空白后面为倒装语序，其中的do代替动词emit，本句空白后也可用正常语序，即“cold objects do”。
14）Last year the country had [A] fewer imports as [B] did the year before last [C] due to [D] the energy crisis.
解析：B错。改为than.
15）Long Island，an [A] island that forms the [B] southeastern part of New York，has a [C] greater population than which [D] of forty two of thefifty states.
解析：D错。改为that，代替population.
16）The grain of rye is longer [A] and slenderer [B] than [C] those of [D] wheat.
解析：D错。改为that.这里比较的“The grain”不是复数，不能用复数代词those.
17）The activities of the international marketing researcher are frequently much broader than .
[A] the domestic marketer has [B] the domestic marketer does
[C] those of the domestic marketer [D] that which has the domestic marketer
解析：C为正确答案。比较句中，连词than前后，即所比较的成分要一致，应该在同种事物间进行比较。本句所比较的是两种 activities ，故C正确，代词those 代替“the activities”。
18）The grape is cultivated plants.
[A] one of the oldest [B] the oldest one
[C] one which the oldest [D] the one is the oldest of
解析：A对。“one of the oldest…”表示“（历史）最长的栽种植物之一”，C和D均不合语法，而B选项中的one多余。
19） ，William Shakespeare is the most widely known.
[A] With all writers in English
[B] All writers in English
[C] All of the writers in English
[D] Of all writers in English
解析：D为正确答案。
20）The crane is of the wading birds.
[A] the tallest
[B] the tallest that is
[C] which is the tallest
[D] which the tallest is
