_____by a greater demand for vegetables, farmers have built more green houses.A.

_____by a greater demand for vegetables, farmers have built more green houses.A.

题型:不详难度:来源:
_____by a greater demand for vegetables, farmers have built more green houses.
A.DrivenB.Being drivenC.to driveD.Having driven

答案
A
解析

试题分析:考查分词做状语用法。分词做状语,要求分词的逻辑主语必须的句子的主语。本题farmers与drive构成被动关系,故使用过去分词的形式。排除CD。B项表示正在进行。与句意不符。句意:被大量的蔬菜需求所驱赶,农民们已经建了更多的大棚。故A正确。
点评:分词做状语时,要构成动词与句子主语的关系来决定其形式。构成主动关系,使用现在分词;构成被动关系,使用过去分词的形式。
举一反三
Peter was so excited _________ he received an invitation from his friend to visit Chongqing.
A.whereB.thatC.whyD.when

题型:不详难度:| 查看答案
________, it began to rain unexpectedly.
A.While cleaning the machine
B.To clean the machine
C.He was cleaning the machine
D.While he was cleaning the machine

题型:不详难度:| 查看答案
While____the dog,you should take care not to____.Otherwise,it may be dangerous to strangers.
A.walking; get looseB.walk; be loose
C.walking for; get it looseD.training; get it run

题型:不详难度:| 查看答案
       you talk to someone or write a message,you show your skills to others.
A.At timesB.Some timeC.Every timeD.The time

题型:不详难度:| 查看答案
—Will the match be cancelled because of the bad weather?
—No, rain or shine, the match will be held as     .
A.scheduleB.schedulingC.scheduledD.to schedule

题型:不详难度:| 查看答案
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