皮皮学，免费搜题
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搜题
【单选题】
醋甲胆碱的作用是A.
激动M、N胆碱受体
B.
阻断M、N胆碱受体
C.
激动N胆碱受体
D.
抑制胆碱酯酶
E.
对M胆碱受体具有相对选择性
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皮皮学刷刷变学霸
举一反三
【单选题】Which statement is not true?
A.
The stories of Harry Potter are criticized in some other cities in U.S except New Mexico.
B.
Young people are fascinated with Harry Potter.
C.
Christian churches hate Harry Potter.
D.
Pastor Jack Brock planned to burn the Harry Potter books on Sunday.
【单选题】Which statement is not true?
A.
The stories of Harry Potter are criticized in some other cities in U.S except New Mexicon
B.
Young people are fascinated with Harry Potter
C.
Christian churches hate Harry Potter
D.
Pastor Jack Brock planned to burn the Harry Potter books on Sunday
【简答题】排入大气的污染物种类很多,依照污染物的来源可分为 污染源、 染源、 污染源、 污染源。根据污染物存在的形态,可分为 污染物和 污染物。
【单选题】Which Midwestern city is the automobile capital of the world?
A.
Chicago
B.
Detroit
C.
Milwaukee
D.
Cleveland
【单选题】According to the last paragraph, which of the following statements is NOT true?
A.
Other cities hope they can also conserve power.
B.
Other cities hope they can use superconducting cables soon.
C.
Superconductors waste less power because of their low resistance.
D.
The Frisbie experiment is not successful.
【单选题】Which Midwestern city of the USA is the automobile capital of the world?
A.
Chicago.
B.
Detroit.
C.
Milwaukee.
D.
Cleveland.
【单选题】Shenzhen has passed a new law to ban smoking in public， which canthecivilization of a city.
A.
weigh
B.
balance
C.
explore
D.
measure
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