题目内容

白化病是因为缺乏了什么酶?

A. 酪氨酸酶
B. 苯丙氨酸羟化酶
C. 精氨酸酶
D. 葡萄糖氧化酶
E. 丙酮酸羧化酶

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Vocabulary and Structure____________smiled on me.

A. Fortune
B. Envy
C. Resent
D. Rage

There was something__________ familiar about him.

A. probably
B. properly
C. vaguely
D. vigorously

The man______________ drunkenly out of the pub.

A. strolled
B. lurched
C. jogged
D. tiptoed

Your encouragement will ______________ me to further efforts.

A. spirit
B. impress
C. stimulate
D. move

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