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【单选题】
将直径为2mm的钢丝绕在直径为2m的卷筒上,钢丝中产生的最大应力为( ),其中钢丝的弹性模量E为 。A.
100MPa
B.
200MPa
C.
150MPa
D.
250MPa
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举一反三
【简答题】在急性炎症中起关键作用的细胞是 查看材料
【单选题】It's too late, I _______ go home now, or my parents will be angry with me. [ ]
A.
have to
B.
have
C.
may
D.
can
【单选题】If I fail the exam, my parents will be angry __________ me.
A.
in
B.
for
C.
with
D.
to
【简答题】根据上述材料，分析这是一起什么性质事故?
【单选题】—I think I won’t pass the exam, and my parents will be angry with me. —_____________. You have tried your best.
A.
Well done.
B.
That’s all right.
C.
Take it easy.
D.
No problem.
【单选题】( ) My parents will be disappointed with me ____ I get the master’s degree.
A.
unless
B.
if
C.
though
D.
although
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