题目内容

She expects to defend her ( ) successfully in the next Olympics.

A. tournament
B. title
C. prize
D. personality

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"It's OK now," the man said to his family when they were finally ( ) of danger.

A. in
B. into
C. out
D. from

This is really something to be proud ().

A. out
B. at
C. of
D. in

内因子的作用是：（）

A. 促进蛋白质吸收
B. 促进VitB12吸收
C. 促进Fe2+、Ca2+吸收
D. 促进脂肪吸收

胃液中与红细胞成熟有关的物质是：（）

A. 胃酸
B. 胃蛋白酶
C. 内因子
D. 粘液