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【单选题】
Mr. Brown is a friend __________. [ ]A.
of father
B.
my father's
C.
of my father's
D.
my father
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反馈参考答案：
举一反三
【单选题】Jim thinks that the perfect worker
A.
has a lot of new ideas.
B.
is young and ambitious.
C.
fits in with the company's methods.
【单选题】本-周蛋白又称为凝溶蛋白,其凝固和溶解的温度分别为( )
A.
56℃,90℃
B.
36℃,90℃
C.
46℃,100℃
D.
56℃,100℃
E.
66℃,100℃
【单选题】Jim has gained so much weight that a lot of his clothes don't fit him any more.
A.
put off
B.
put down
C.
put on
D.
put up
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