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【判断题】
吩噻嗪类药物的有关物质检查一般采用高效液相色谱法,也可采用薄层色谱法。( )A.
正确
B.
错误
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【简答题】Some kids start to drink alcohol (酒精) at a young age. They think it is part of becoming an . They also think drinking is not that bad because so many people do it. They feel it is not as bad as t...
【单选题】— Anything to drink? What about coffee? —Er...I think I'll have a cold drink ________ coffee. [ ]
A.
other than
B.
more than
C.
less than
D.
rather than
【单选题】Most people today think of chocolate as something sweet to eat or drink that can be easily found in stores around the world. It might surprise you that chocolate was once highly treasured. Researchers...
A.
How ancient people used cacao plants.
B.
Chocolate was valuable thousands of years ago.
C.
Many ancient people farmed cacao plants.
D.
How the cacao plant was made into chocolate.
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