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【多选题】
独立避雷针和架空避雷线(网)的支柱及其接地装置至被保护建筑物及与其有联系的管道、电缆等之间的距离，应符合下列表( )的要求，但不得小于3m。A.
地上部分：当hx＜5Ri时，Sa1≥0.4(Ri+0.1hx)
B.
地上部分：当hx＞5Ri时，Sa1＞0.1(Ri+hx)
C.
地上部分：当hx＜5Ri时，Sa1＞0.5(Ri+0.1hx)
D.
地上部分：当hx≥5Ri时，Sa1＞0.2(Ri+hx)
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皮皮学刷刷变学霸
举一反三
【单选题】American Indians _________ about five percent of the U.S. Population. [ ]
A.
fill up
B.
bring up
C.
make up
D.
set up
【单选题】关于话筒的描述，不正确的是：
A.
动圈式话筒对于环境噪音有较好抑制效果，适用于KTV或演出场合
B.
电容式话筒适用于录音室录音、影视录音、乐器拾音等场合
C.
驻极体话筒音质相对差一些，用于会议话筒、录音笔、手机等
D.
话筒灵敏度分贝值始终>0
【单选题】Only by telling the truth win the trust and support of your friends.
A.
you can
B.
can you
C.
you did
D.
did you
【单选题】Jane is the ( )students in her class. Nobody is shorter than her.
A.
tallest
B.
shortest
C.
heaviest
D.
biggest
【单选题】. Our teacher has a __________ for thinking up ways _________ his speeches attractive.
A.
gift, of making
B.
gift, to making
C.
knowledge, of making
D.
knowledge, to make
【简答题】We are grateful to all our friends for their support and ( ______ ) (encourage).
【单选题】If friends support you during a difficult time, they
A.
show their love and concern for you.
B.
do nothing to help you.
C.
ask you if you can get along without their help.
【单选题】What is the best title for this passage?
A.
Friends: More like a Burden than a Support.
B.
A Life without Friends is Meaningless.
C.
Friends: When Less is More.
D.
Cut Off the Unwanted Friends.
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