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问题 单项选择题

判断胃酸缺乏，最可靠的指标是()

A．最大酸排量(MAO)=0

B．空腹胃液中无游离盐酸

C．空腹胃液pH≥7.0

D．基础酸排量(BAO)=0

E．呕吐物无酸

答案

参考答案：A

选择题

下列各式正确的是（　　）

A．-|-3|=3

B．2-3=-6

C．-（-3）=3

D．（π-2）0=0
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听力题

单词拼写：（10分）

小题1:There are four q________ in an hour.

小题2:What r______ do you have at your school?

小题3:Go to w_____ your dirty hands.

小题4:Thank you for t_______ me an interesting story.

小题5:I usually go s________in the river.

小题6:Now animals are in great d________.

小题7:Your father is sleeping.Please be q______.

小题8:My brother always t_______ a shower at 7:00.

小题9:Good l______ to you.

小题10:Look, Steve is f_______ with Tom.We must stop them.
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