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【判断题】
. 当塑件有侧抽芯时,应尽可能将抽芯部分放在,避免动模抽芯。A.
正确
B.
错误
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举一反三
【简答题】质点的动量守恒定律可表述为:当质点的____,其____。
【简答题】植物病毒侵染植物寄主后,主要引起的症状有 , ,和 。
【简答题】早稻浸种催芽时,用温水淋种和时常翻种,其目的就是使 。
【单选题】In the post-Marian army, ______.
A.
auxiliary troops were Italians, and often Latins
B.
auxiliary troops were made up of citizens from cities near Rome
C.
more foreigners were included in auxiliary army
D.
auxiliary troop were made up of foreigners who had gained citizenship for serving Rome for 25years
【单选题】The conflict had developed into a stage ______ the two countries were gathering big troops on the border.
A.
where
B.
when
C.
which
D.
that
【单选题】The troops _______ themselves to go into battle.
A.
prepared
B.
were prepared
C.
to prepare
D.
preparing
【单选题】The defeated troops were ordered to scatter and then concentrate fifty miles to the south.
A.
rally
B.
attack
C.
march
D.
retreat
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