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【单选题】
显示用户的主目录的命令是什么 ( )
A.
echo $HOME
B.
echo $USERDIR
C.
echo $ENV
D.
echo $ECHO
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参考答案:
举一反三
【单选题】Our English teacher is often _______ to give a talk on English study. He is popular.
A.
advised
B.
created
C.
invited
D.
refused
【单选题】丙二酰脲存在酮式和烯醇式的()现象。
A.
同分异构
B.
互变异构
C.
碳链异构
D.
官能团异构
【单选题】When we face difficulties in our English learning, we will never______.
A.
give out
B.
give in
C.
give off
D.
give away
【单选题】007 007.mp3:
A.
I agree with you.
B.
It was quite hot outside.
C.
It’s delicious.
D.
I see.
【单选题】007 007.mp3:
A.
She is writing a letter.
B.
She is on the phone.
C.
She is in Zhuhai.
D.
She is going to Zhuhai..
【判断题】心室肌的有效不应期很长,相当于整个收缩期
A.
正确
B.
错误
【简答题】Americans give great importance to punctuality (准 时). The English give great importance to punctuality, too.A. Americans give great importance to punctuality. This is also true of the English.
【单选题】The author's purpose is to ______.
A.
give the basic facts of marriage in North America
B.
explain the reasons why the divorce rate is high in North America
C.
introduce why both husband and wife have to work outside their home
D.
give a picture of family structural change in North America
【判断题】心室肌的有效不应期很长,相当于整个收缩期和舒张期。
A.
正确
B.
错误
【单选题】According to the passage, the present tense in English is ________
A.
not used to express a desire to do something in the immediate future
B.
used with some verbs but not with others to express future intention
C.
basically the same in English as it is in Spanish
D.
not the most difficult problem for foreign students
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