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【单选题】
全国药品检验的最高仲裁机构是A.
国家食品药品监督管理局药品评价中心
B.
国家食品药品监督管理局药品审评中心
C.
国家药典委员会
D.
中国药品生物制品检定所
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举一反三
【单选题】When we arrived at the railway station, they were ____ there.
A.
yet
B.
once
C.
already
【单选题】在一定体积的密闭容器中放入3L气体R和5L气体Q，在一定条件下发生反应：2R（气）＋5Q（气） 4X（气）＋nY（气），反应完全后，容器温度不变，混合气体的压强是原来的87.5％，则化学方程式中n值是
A.
2
B.
3
C.
4
D.
5
【简答题】Once they arrived at their , they met with other groups of young people and had one long party.
【简答题】Fill in the blanks with the following words and phrases. title / reduces / cycle / eliminates / process / software / bill of lading / documents / approach / electronic delivery The Bill of Lading __1_...
【单选题】Choose the best answer to complete each of the sentences. It was already 11 o'clock in the evening ______ they arrived at the hotel.
A.
when
B.
while
C.
once
D.
since
【单选题】It was already 11 o'clock in the evening ______ they arrived at the hotel.
A.
when
B.
while
C.
once
D.
since
【简答题】Complete the following passage with the words in the box. Each can be used only once. A. moved B. the other C. another D. tired E. because Once, a king had a new road built. The king ha...
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【简答题】Once they arrived at their , they met with other groups of young people and had one long party.
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