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【单选题】
“牛顿”(N)与“千克力”(kgf)的换算关系是()。A.
1kgf=9.8N≈ION
B.
1tf=9.8N
C.
1tf=9.8×103N
D.
1kgf=0.098N
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举一反三
【单选题】I do hope that you can give me some good _______ on how to improve my spoken English.
A.
bases
B.
tips
C.
fares
D.
opinions
【简答题】化学纤维，是指以天然的或合成的 或无机物为原料，采用 和机械方法制造的适于纺织用的纤维。
【单选题】---- I promise I will work harder this term, Miss Li. ----Well, just as the saying goes, “_____”I do hope that you will act soon.
A.
It never rains but pours.
B.
Many hands make light work.
C.
Actions speak louder than words.
D.
A fiend in need is a friend indeed.
【单选题】I hope that the little_I have been able to do has been good for you A. which B. that C. what D. for which
A.
B.
C.
D.
D
【单选题】I hope that you can come and celebrate the Spring Festival with my family.
A.
do
B.
did
C.
does
D.
done
【单选题】I do hope that you can give me some good _______ on how to improve my spoken English.
A.
bases
B.
tips
C.
advices
D.
opinions
【简答题】电气图用图形符号由 、 、 、 组成。
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