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【简答题】
PLC的 用户程序 存储在 存储器 的()中,系统程序存储在()中。
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反馈参考答案：
举一反三
【简答题】已知i是虚数单位，m和n都是实数，且m（1+i）=11+ni，则 ( m+ni m-ni ) 2009 等于______．
【单选题】---I was wondering whether you could remember the name of the place. ---I’m afraid that ______ me for the moment.
A.
puzzles
B.
escapes
C.
disturbs
D.
reminds
【单选题】What will it be like with El Niňo and La Niňa in the coming century, in Trenberth's view? ( paragraph 23)
A.
l Niňo as well as La Niňa will appear longer than ever before .
B.
Weather will be more changeable.
C.
Weather will be in a fixed pattern.
D.
Dry spells and warm spells will occur in an area alternatively.
【单选题】—Hi, Lucy, I’m wondering whether I can use your mobilephone for a while. —I hate to say, but ______.
A.
it’s being repaired
B.
it has been repaired
C.
it’s repaired
D.
it had been repaired
【单选题】—I am wondering whether you can remember the name of the place. — I'm afraid that ______ me for the moment.
A.
reminds
B.
worries
C.
disturbs
D.
escapes
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