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【单选题】
11a 工作频段 是:A.
2.4 GHz
B.
3.6 GHz
C.
5 GHz
D.
10 GHz
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反馈参考答案：
举一反三
【简答题】请问这是哪位立体主义大师的头像?
【简答题】A.He has to finish his homework. B.He doesn t know it is very late. C.His mother wants him to do homework. D.He can t sleep.
【单选题】It is very difficult for non-governmental organizations to measure the ______ of the aid they supply to developing nations.
A.
finding
B.
satisfaction
C.
accuracy
D.
effectiveness
【单选题】Tom is one of those student who_______friendly; ,however, it is very hard t get along with him
A.
is appeared to be
B.
are appeared to be
C.
appears to be
D.
appear to be
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