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【判断题】
设【图片】在【图片】上为正值的连续函数,则【图片】在【图片】上也为正值的连续函数.A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】下面句子中有错误的一项是（ ）。
【简答题】手法操作前要选择好
【简答题】They gave him the worst news any musician could bear: he was gradually going deaf.
【单选题】Ann Curry s a famous news presenter of the NBC News ' Today' show. When she was 15 she happened to walk into a bookstore n her hometown and began looking at the books on the shelves. The man behind th...
A.
from her friend in a bookstore
B.
a couple of years before college
C.
at the NBC news 'Today' show
D.
when she was studying at university
【单选题】Ann Curry is a famous news presenter of the NBC News 'Today' show. When she was 15 she happened to walk into a bookstore in her hometown and began looking at the books on the shelves. The man behind t...
A.
from her friend in a bookstore
B.
a couple of years before college
C.
at the NBC News 'Today' show
D.
when she was studying at university
【单选题】Ann：Susan，I‘ve got a piece of good news． Susan：Really?Ann：I‘ve got a raise for my salary． Susan：__________!I‘m really happy for you．
A.
Congratulations
B.
That’s OK
C.
Very good
D.
It's fine
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