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【简答题】
引起 Na 2 S 2 O 3 标准溶液浓度改变的主要原因有 、 和 。
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【单选题】The other reason that US decided to restore full diplomatic ties with Libya is that Libya is the second-largest oil producing country in Africa.
A.
Y
B.
N
C.
NG
【单选题】They have decided to allow us an 18% discount to avoid ______ another old customer of theirs.
A.
loss
B.
lose
C.
losing
D.
to lose
【简答题】液控单向阀当控制油口通压力油后,可使液体 流经阀口。 “O”, “ M ”, “ H ”, “ Y ”, “ P ”型中位机能中可以实现油泵卸荷的 、 型中位机能。
【单选题】听力原文： The top three US auto-makers have decided not to proceed with plans to file a trade complaint against Japanese auto-makers. General Motors, Ford and Chrysler had planned to accuse Japanese compa...
A.
Japanese auto-makers promised to stop dumping cars in the US
B.
the Government promised to solve the US-Japan trade imbalance
C.
three US companies have ended the US Japan trade imbalance
D.
Japan agreed to sell cars at the agreed prices inside the US
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【单选题】___ she will join us in the game is not decided yet.
A.
If
B.
Whether
C.
What
D.
While
【单选题】US Apple decided to expand its business in China in response to an increasing demand ______ digital product.
A.
of
B.
from
C.
to
D.
for
【单选题】. We decided to turn to ___ can help us out.
A.
whoever
B.
anyone
C.
someone
D.
whomever
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