对胃液中盐酸作用的描述，错误的是A．激活胃蛋白酶原B．提供胃蛋_爱下问搜题

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问题单项选择题

对胃液中盐酸作用的描述，错误的是

A．激活胃蛋白酶原
B．提供胃蛋白酶所需的最适宜的pH环境
C．进入小肠后抑制胰液的分泌
D．杀死进入胃内的细菌

答案

参考答案：C

选择题

I'll try my best to get tickets, but I can't _____ anything.[ ]

A. prove

B. wonder

C. charge

D. promise

选择题

I _____ busy with my homework, otherwise I _____ to the cinema with you.

A. had been; would have gone
B. had been; had gone
C. was; would go
D. was; would have gone