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【单选题】
成人体内氨的最主要代谢去路为A.
合成非必需氨基酸
B.
合成必需氨基酸
C.
合成嘌呤，嘧啶，核苷酸等
D.
合成尿素
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举一反三
【单选题】A baby might show fear of an unfamiliar adult, ______ he is likely to smile and reach out to another infant.
A.
so that
B.
if
C.
whenever
D.
whereas
【单选题】She didn't bring the bad news to her mother______ that she might break down.
A.
so
B.
for fear
C.
in order
D.
because
【单选题】______ recurring fear is out of proportion to any real danger, it is called a phobia.
A.
When
B.
Whereas
C.
Which
D.
Whether
【单选题】What does 'enjoyed' (Line 1, Para. 11) really mean in the story?
A.
The writer really liked British food.
B.
The writer was not used to western food.
C.
It is used in an ironic way, and indicates the opposite of 'enjoy'.
D.
The writer had a wonderful memory of the first meal she had in Britain.
【单选题】A baby might show fear of an unfamiliar adult, ______ he is likely to smile and reach out to another infant.
A.
if
B.
whenever
C.
so that
D.
whereas
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