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【单选题】
已知婴儿胃液的pH=5,成人胃液的pH=1,则成人胃液中[H + ]是婴儿胃液[H + ]的A.
10 4 倍
B.
10 -4 倍
C.
5倍
D.
10 5 倍
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反馈参考答案：
举一反三
【简答题】Nelson's body was taken home and he was given a splendid state funeral at .
【单选题】According to Bob Nelson, to stop those rumoring about others' promotions, it's better for the entrepreneur to ______.
A.
explain reasons for the promotions
B.
order them to stop spreading rumors
C.
ignore this kind of negative behaviours
D.
promise promotion for those employees
【单选题】Why had there been no calls from the Nelsons for quite some time?
A.
Mrs. Nelson's appendix had been taken out two years before.
B.
Mr. Nelson had divorced his wife and had married another woman.
C.
Mr. Nelson had decided not to bother the doctor any more.
D.
Mr. Nelson's former wife had been very well recently.
【单选题】一旅行社未取得出境旅游业务经营权,自交纳质量保证金之日起三年内没有受到任何行政处罚。按照规定,旅游行政管理部门应当将质量保证金的交存数额降低至( )。
A.
20万元
B.
10万元
C.
8万元
D.
5万元
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