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搜题
【单选题】
患者,男,35岁。上腹部节律性疼痛3年,伴有暖气、反酸,胃镜检査:胃溃疡.哌仑西平的作用机制是
A.
阻断β受体
B.
阻断5-HT受体
C.
阻断H2受体
D.
阻断M受体
E.
阻断DA受体
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举一反三
【判断题】排量是指发动机排出废气的量。( )
A.
正确
B.
错误
【判断题】发动机排量是指从发动机气缸中排出废气的质量。
A.
正确
B.
错误
【单选题】若男女双方均患有相同的遗传性疾病,则
A.
.暂缓结婚
B.
.可以结婚,但禁止生育
C.
.限制生育
D.
.不能结婚
【单选题】---Have you known each other for long?
A.
--Not very long, _______ we started to work in the company.
B.
after
C.
before
D.
when
E.
since
【简答题】叠加定理只适用 电路的分析。
【判断题】The two girls have known each other for years.
A.
正确
B.
错误
【判断题】排量是指发动机排出废气的多少。( )
A.
正确
B.
错误
【单选题】( )have known each other for ten years.
A.
I, you and he
B.
He, you and I.
C.
You, he and I
D.
You, he and me.
【单选题】The aged are close companions, and many of       have known each other for decades.
A.
them
B.
that
C.
whom
D.
what
【单选题】I think students______ to do homework with friends.
A.
is allowed
B.
are allowed
C.
should allowed
D.
should be allowed