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【单选题】
筛选是根据药物与杂质的()不同来清除药物中杂质的方法A.
质量
B.
体积
C.
轻重
D.
色泽
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反馈参考答案：
举一反三
【单选题】What are China’s “new four great inventions”?
A.
Compass, gunpowder, printing and paper making
B.
High-speed railways, electronic payments, shared bicycles and online shopping
C.
High-speed railways, electronic payments, infrastructure manufacturing, and online shopping
D.
High-speed railways, electronic payments, online shopping and aircraft carrier
【单选题】What is considered as the New Four Great Inventions?
A.
plane
B.
subway
C.
high-speed train
D.
submarine
【单选题】Adam Smith was the first person to see the importance of the division of the labor. He gave us an example of the process by which pins were made in England. 'One man draws out the wire, another streng...
A.
take advantage of the physical labor
B.
introduce the division of labor into England
C.
understand the effects of the division of labor
D.
explain the bad causes of the division of labor
【简答题】园路路面从上至下结构层次分布顺序是面层、结合层、基层、 垫层。 ( ) 判断对错
【单选题】The textbook is filled with cases about ________ our life has developed thanks to new inventions. [ ]
A.
what
B.
where
C.
why
D.
how
【单选题】This was the first time the MOF had closed a bank since the end of World War II, and the move sent a clear signal to the industry that ______for the collapse of a giant money-center lender, bureaucrat...
A.
leave
B.
keep
C.
hold
D.
save
【多选题】What are China’s four great new inventions?
A.
high-speed railways
B.
mobile payments
C.
shared bicycles
D.
online shopping
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