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【单选题】
请选择正确的IP地址。A.
192.168.256.3
B.
172.16.254.253
C.
10.0.01
D.
-1.2.3.4
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反馈参考答案：
举一反三
【单选题】-Need I do the repairs now? Yes,_________.
A.
you need:;but you need ask someone to help you
B.
you must;but you can ask someone to help you
C.
you need; but you can ask someone to help you
D.
you must:;but you need ask someone to help you
【单选题】--Need I clean the room now? --Yes, you ___, but you ___ ask someone to help you.
A.
need, need
B.
must, can
C.
need, can
D.
must, need
【简答题】5 Replace the underlined adjective with a
different adjective which keeps the same meaning. 1 I had great difficulty with it. ____ 2 What’s your main concern? ____ 3 Was there extensiv...
【简答题】I don't want a lot for Christmas There is just one thing I need I don't care about the 1 Underneath the Christmas tree I just want you for my own More than you could ever know Make my wish 2 oh All I ...
【单选题】根据现行的国家标准，下列哪一项指标不属于电能质量指标？（）
A.
电压偏差和三相电压不平衡度限值
B.
电压波动和闪变限值
C.
谐波电压和谐波电流限值
D.
系统短路容量限值
【单选题】—Need I accomplish all we have set out to do? —Yes, you ____; otherwise you ____fired.
A.
need; would have been
B.
may; need have been
C.
can; mustn't have been
D.
must; would be
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