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【单选题】
—What is that noise? —Oh,I forgot to tell you that the new machine .A.
was tested
B.
will be tested
C.
is being tested
D.
has been tested
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【简答题】加工整圆时不能用半径R编程，可以使用 编程。A. 插补参数I、J、K
【简答题】We know it's good to learn another language. It opens doors , makes you more employable, helps you make new friends, and it's fun too. But to improve our linguistic skills, many of us have to endure h...
【单选题】在以下四个WWW网址中，不符合WWW网址书写规则的网址是
A.
www.163.com
B.
www.njupt.cn.edu
C.
www.nanjing.org.cn
D.
z.cn
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