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【单选题】
If a patien has the symptoms of acute appendicitis, he/she needs an operation ofA.
transplant surgery
B.
appendectomy
C.
keyhole surgery
D.
colectomy
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反馈参考答案：
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 。
【多选题】Why were all Roman troops forced to leave Britain in 410 AD?
A.
The resistance of the British people was strong.
B.
The Roman troops were withdrawn to defend their own nation from Germanic attack.
C.
The Roman Troops were withdrawn to rescue Cesar’s reign.
D.
The Vikings kept attacking Britain which the Romans found it hard to handle.
【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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