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【单选题】
设备电气系统中引起电动机振动的原因是（）。A.
热元件烧断
B.
通风不良
C.
联轴器轴线错位
D.
电源电压过低
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举一反三
【单选题】---Look! The telephone is broken. Someone damaged it ________ purpose. ---That may be right. But perhaps it was broken _________ accident.
A.
on; by
B.
by; by
C.
on; on
D.
by; on
【单选题】What is a great relief for Audrey Hepburn? ______
A.
She received letters from her fans
B.
She was able to provide little help to the people in Ethiopia
C.
She was remembered by the people in Ethiopia
D.
She could retire to live her dreamy life.
【单选题】In the old days, children were familiar with birth and death as part of life. This is perhaps the first generation of American youngsters who had ever been close by during the birth of a baby and baby...
A.
were quite unfamiliar with birth and death
B.
had often experienced the fear of death as part of life
C.
usually witnessed the birth or death of a family member
D.
were often absent when a family member was born or dying
【单选题】In the old days, children were familiar with birth and death as part of life. This is perhaps the first generation of American youngster(年轻人)who have never been close by during the birth of a baby and...
A.
learning how to best help them and their families
B.
observing how they reacted to the crisis of death
C.
helping them and their families overcome the fear of death
D.
finding out their attitude towards the approach of death
【单选题】Which sentence is wordy?
A.
The problem of cheating in exams is a serious problem.
B.
Cheating in exams is a serious problem.
【单选题】In the old days, children were familiar with birth and death as part of life. This is perhaps the first generation of American youngsters who had ever been close by during the birth of a baby and baby...
A.
were quite unfamiliar with birth and death
B.
had often experienced the fear of death as part of life
C.
usually witnessed the birth or death of a family member
D.
were often absent when a family member was born or dying
【单选题】I offered Susan the medicine for cough , but perhaps I ______ to take it.
A.
had to tell her
B.
must have told her
C.
ought to tell her
D.
should have told her
【简答题】Section B Listen to the following sentences and write down what you hear on the lines. Zoe’s computer ________ again. She lost all her work. I didn’t lose any of my work. I remembered to ________ all ...
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