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【单选题】
哪项不是原癌基因A.
c-myc 基因
B.
ras 基因
C.
c-abl 基因
D.
bcl-2 基因
E.
RB 基因
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举一反三
【单选题】— Is Tina an outgoing girl?— No, she’s kind of_____. Her face always turns red when she speaks in public.
A.
shy
B.
active
C.
relaxed
D.
funny
【单选题】Tina is a shy girl, and it is______ for her to say hello to strangers.
A.
happy
B.
nice
C.
hard
D.
easy
【单选题】--- Is Tina a shy girl? --- Yes, she is always afraid of ______ in front of her classmates.
A.
giving
B.
give a speech
C.
give a speaking
D.
giving a speech
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