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【单选题】
对已接受青霉素治疗的病人,停药多少天后,必须重新进行过敏试验
A.
1天
B.
3天
C.
5天
D.
7天
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参考答案:
举一反三
【多选题】工厂绿化树种选择的基本原则是( )。
A.
适地适树。
B.
选择对有害物质抗性强、净化能力强的树种。
C.
满足生产工艺的需要。
D.
繁殖容易,便于管理。
【简答题】造林树种选择的意义、基本原则和基本方法是什么?
【单选题】To be honest, the role John plays in this film doesn't come up to my __________,  though he is one of my favorite actors . [     ]
A.
excuses
B.
explanations
C.
experiences
D.
expectations
【单选题】There're so many beautiful gifts in the shop, but I don't know ________. [     ]
A.
to choose which one
B.
what choose
C.
which one to choose
D.
to choose what
【多选题】树种选择的基本原则是( )。
A.
适应性原则
B.
目的性原则
C.
经济性原则
D.
服务性原则
【单选题】We have 3 rooms ____________ , but I can’t decide ____________ .
A.
to live, to choose which one
B.
lived, choose which one
C.
to live in, which one to choose
D.
live, which one
【单选题】The suits look _____ beautiful _____ I don't know _____. [     ]
A.
too; to; which one to choose
B.
so; that; which one to choose
C.
so; that; choose which one
D.
too; to; which to choose
【简答题】园林树种规划的原则有哪些?树种选择的最基本原则是什么?
【单选题】. There is such an occasion ___________ we know lots of words, but we can’t choose a suitable one to express ourselves.
A.
where
B.
when
C.
which
D.
what
【判断题】交流电的周期与频率互为倒数。()
A.
正确
B.
错误
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