皮皮学，免费搜题
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搜题
【单选题】
一般不用于皮肤消毒的药物是A.
75％乙醇
B.
碘伏
C.
甲紫
D.
环氧乙烷
E.
氯己定
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举一反三
【单选题】I can _____ the violin . I like _____ the violin. [ ]
A.
play , play
B.
play , playing
C.
playing , play
【单选题】In some cities it is very difficult to have a telephone _____ , and people have to wait a long time before they can get a phone.
A.
assembled
B.
installed
C.
equipped
D.
repaired
【单选题】-What’s your hobby, Jack? -I like playing ______football, but I don’t like playing _____violin.
A.
the;the
B.
the; a
C.
/; the
D.
the; /
【单选题】I’m really tired_____Tom . He had me _____for two hours in the rain . A．of, waitingB．with , wait
A.
14. I’m really tired_____Tom . He had me _____for two hours in the rain . A．of, waiting
B.
with , wait
C.
of, waited
D.
with, waited
【单选题】Last year, I liked playing volleyball, but now I get used to ______. [ ]
A.
going swimming
B.
playing guitar
C.
listen to music
【单选题】串行异步通信的实现必须做到（）
A.
通信双方有同步时钟传送，以实现同步
B.
一块数据传送结束时，用循环冗余校验码进行校验
C.
以字符为传送信息的单位，按约定配上起始位、停止位和校验位
D.
块与块之间用同步字符01111110隔开
【多选题】关于消费者均衡点的下列看法中正确的有
A.
均衡点位于预算约束线上
B.
消费者均衡点在理论上可以脱离预算约束线而存在
C.
均衡点由预算线和无差异曲线的切点决定
D.
在消费者均衡点上，预算约束线与无差异曲线斜率相等但符号相反
E.
在消费者均衡点上，预算约束线与无差异曲线斜率相等且符号相同
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