皮皮学，免费搜题
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【单选题】
心血管毒性反应早期一般表现为A.
酶学等生化改变
B.
超声心动图的改变
C.
心律失常
D.
心前区疼痛等临床表现
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Everybody is here, ___? A. isn’t everybody B. isn’t it C. isn’t he D. aren’t they
A.
isn’t everybody
B.
isn’t it
C.
isn’t he
D.
aren't they
【单选题】--- Is there a supermarket? --- No, _____.
A.
this is not
B.
there isn’t
C.
it isn’t D isn’t there
【单选题】—Isn't Jixi in the east of Heilongjiang? — _ . . [ ]
A.
Yes, it is
B.
Yes, it isn't
C.
No, it isn't
【单选题】---Beautiful day ,___? –Yes, ____?
A.
is it, isn’t it
B.
isn't it, it is
C.
is itl is it
D.
isn't it; isn't it
【单选题】The weather there isn’t nice,____________?
A.
is there
B.
is it
C.
isn’t there
D.
isn’t it
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