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【单选题】
S - RAM : 静态随机存储器,在数控系统中用于存储用户数据,断电后需要电池保护,所以有易失性。 其中的电容 可保持 S-RAM芯片中数据 ( ) 分钟 。A.
10
B.
5
C.
100
D.
30
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反馈参考答案：
举一反三
【单选题】You are giving a talk when someone raises their hand to ask a question. What can you say?
A.
That's a very good point. What does everyone else think?
B.
There'll be time for questions at the end.
C.
I'd like to deal with questions later, if that's all right.
D.
Ignore the questions.
【单选题】There is an essential ______ in human gestures, and when someone raises the palms of his hands together, we do not know whether it is to bury himself in prayer or to throw himself into the sea.
A.
economy
B.
dignity
C.
insincerity
D.
reverence
E.
ambiguity
【简答题】About archery, which is NOT correct?
【单选题】—Hi, James. There is someone _______ for you at the school gate. —It may be my mother. She comes to see me. [ ]
A.
waited
B.
waiting
C.
to wait
【单选题】If someone raises his profile, he _____.
A.
impresses others by his appearance
B.
gets more attention from the public
C.
gain strength gradually
D.
improves his resume
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