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【单选题】
疱疹性龈口炎的病因是( )A.
细菌
B.
病毒
C.
真菌
D.
衣原体
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反馈参考答案：
举一反三
【单选题】β受体阻断药除能阻断受体外,还可以在一定程度上激动β受体,此作用称为
A.
膜稳定作用
B.
肾上腺素的翻转作用
C.
内在拟交感活性
D.
抗组胺作用
E.
抗H1作用
【单选题】The work is so difficult that we can’t finish it in time ____.
A.
of our own
B.
to our own
C.
on our own
D.
with our own
【单选题】Our national scenery Zhangjiajie is so charming that it is______description.
A.
out
B.
beside
C.
over
D.
beyond
【单选题】--- Our school is so beautiful. --- Yes. So our teachers ______ at school to enjoy its beauty.
A.
prefer to stay
B.
prefer staying
C.
prefer to staying
D.
prefer stay
【单选题】— Our country is becoming richer and stronger. — _____. [ ]
A.
So it is
B.
So is it
C.
It is so
【简答题】Our school is so beautiful. _____ _______ Our school is!
【单选题】A skilled workforce is essential, is why our training program is so important.
A.
that
B.
which
C.
such
D.
what
【单选题】β受体阻断药除能阻断受体外,还可以在一定程度上激动β受体,此作用称为
A.
膜稳定作用
B.
肾上腺素的翻转作用
C.
内在的拟交感作用
D.
抗组胺作用
E.
抗H 1 作用
【简答题】血清学鉴定法 主要是根 据未知的 和已知的 结合产生反应来判断病毒的有无。
相关题目：
【单选题】— Our country is becoming richer and stronger. — _____. [ ]
A.
So it is
B.
So is it
C.
It is so
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