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【单选题】
Don't talk to me. I ______ to learn this page by heart.A.
try
B.
am trying
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【简答题】监理大纲的编制要求有哪些
【单选题】Luckily, the poor boy had enough money _____ he could buy a train ticket.
A.
by which
B.
on which
C.
with which
D.
for which
【单选题】. 一台220／12V的单相变压器，如果将220v的直流电源接到原边，原边电流将________，变压器________。
A.
正常，副边电压正常
B.
很大，因铁损发热而烧毁
C.
很大，因线圈发热而烧毁
D.
不变，作直流变压器用
【简答题】胸内负压的概念和生理作用
【单选题】The poor boy had nothing to eat but_____ .
A.
to steal some food from the shop
B.
to rob some food of the shop
C.
steal some food from the shop
D.
rob some food of the shop
【单选题】However, different programming languages have fundamentally different implementations, which are hard to combine.
A.
B
B.
P
C.
M
D.
R
E.
C
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