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【简答题】
等离子弧有哪几种形式?各有哪些特点和应用?
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举一反三
【简答题】It's already 10 o'clock I wonder how it _______ that she was two hours late on such a short trip. A. came over B. came out C: came about D. came up
【单选题】I wonder________. [ ]
A.
how can I learn English well
B.
what to learn English well
C.
how to learn English well
D.
how learning English well
【单选题】— I wonder how long you _____ in Beijing. — Just for the weekend, then I had to attend a conference in Tianjin. [ ]
A.
will stay
B.
stayed
C.
have stayed
D.
stay
【单选题】—Must I show you how to play the game? —Oh,thank you.I______how to do it.
A.
had wondered
B.
would wonder
C.
was wondering
D.
did wonder
【单选题】I wonder _________Eddie has gone to Singapore.
A.
how long
B.
how often
C.
when
D.
if
【单选题】— How is that, Mary? — I wonder ________ it takes to be a good teacher beyond patience and a great knowledge of kids. [ ]
A.
how is it that
B.
what it is that
C.
how it is that
D.
what is it that
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