皮皮学，免费搜题
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【简答题】
可以通过测定食物中 元素的含量来推算食物中的蛋白质含量。
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】What time will the trip take place?
A.
Immediately after the class.
B.
Following the laboratory.
C.
The next day in the morning.
D.
The next week in the morning.
【单选题】An ethics crisis at one of the world's most successful human embryonic stem cell laboratories has plunged the controversial field of research into a new swirl of uncertainty. The accusations surroundi...
A.
Hwang paid the women for their eggs in his studies.
B.
The charge of Hwang re-activized the debate in U. S..
C.
The debate in U. S. is about whether or not pay for eggs.
D.
The planned studies will continue without interruption.
【简答题】Sarah Wilde, a laborator7 worker, wants to find out about forthcoming training courses.
【单选题】There is no question that the old style. of air pollution could kill people. In one week following the infamous 'peasouper' fog in December 1952, 4, 700 people died in London. Most of these people wer...
A.
Low concentrations
B.
Fall in lung function
C.
Irritability of the lungs
D.
Air way inflammation
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