21Which of the following sentences is a COMMAND?
A.Good old Mike!
B.Try that again.
C.Have a good night.
D.Beg your forgiveness.
开始考试练习点击查看答案22Down （）from the seventh floor when he heard someone shouted at him.
A.the burglar jumped
B.jumped the burglar
C.did the burglar jump
D.the jumped burglar
开始考试练习点击查看答案23（）with last year, the output of the factory this year has increased by twenty percent.
A.Comparing
B.Compared
C.Having compared
D.To compare
开始考试练习点击查看答案24Beryamin told me his father had decided to support him and（）he would quit theschool to start his business.
A./
B.when
C.that
D.which
开始考试练习点击查看答案25If you are like most people, then chances are you often（）others while they are stilltalking.
A.interfere
B.intervene
C.interrupt
D.disturb
开始考试练习点击查看答案26Beryamin was sweating bullets by 1;he time the police had finished questioning him. Theunderlined part means（）.
A.impatient
B.very frightened
C.speechless
D.very tired
开始考试练习点击查看答案27Frankly, I hope that we can develop a （） quality product.
A.durable
B.lasting
C.permanent
D.perpetual
开始考试练习点击查看答案28One third of the Chinese in the United States live in California, （）in the San Francisco are
A.A. remarkably
B.severely
C.drastically
D.predominantly
开始考试练习点击查看答案29You can（）your muscles more powerfully by linking up your breathing to the exercise.
A.condense
B.compress
C.contract
D.shrink
开始考试练习点击查看答案30A recent article in a weekly newspaper was headed with a striking（）of a lady in astage of considerable distress.
A.illustration
B.sketch
C.diagram
D.chart
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