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【单选题】
典型的金属结晶时,固相表面多呈 。
A.
光滑界面
B.
粗糙界面
C.
液固界面
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【单选题】听力原文:This is Hannah Schofield for Radio Net 36 reporting from the New Spirit Recreation Center. As many of our listeners know, Roger Dennis is a local entrepreneur who has a very successful computer s...
A.
To publicize a recreation facility
B.
To provide financial advice
C.
To advertise a computer software
D.
To announce a theater opening
【单选题】三段式电流保护中( )构成线路的后备保护。
A.
瞬时电流速断保护
B.
限时电流速断保护
C.
定时限过电流保护
D.
互为后备
【单选题】Tramps are ready at any time to_________ any particular voyage.
A.
take
B.
go
C.
do
D.
proceed
【单选题】三段式电流保护中( )构成线路的后备保护。
A.
电流速断保护
B.
限时电流速断保护
C.
定时限过电流保护
D.
均可以
【单选题】下列加横线的词语注音有错误的一项是 ()
A.
死何 裨 益(bǐ) 科 敛 丁口 (liǎn)
B.
里胥猾 黠 (xiã) 奄奄 思睡 (yǎn)
C.
惊起 觇 视(chān) 靡 计不施 (mǐ)
D.
抢 呼欲绝(qiāng) 官贪吏 虐 (nüe)
【简答题】--- What on earth are you doing here? --- Can’t you see I’m trying to ____the garage ____ a recreation room. A, transform; from  B. transform; into change; into  D. turn; into
【单选题】三段式电流保护中 构成线路的后备保护。
A.
电流速断保护
B.
限时电流速断保护
C.
定时限过电流保护
【单选题】Tramps are ready at any time to_____any particular voyage.
A.
make
B.
do
C.
go
D.
proceed
【单选题】Questions 27~31 are based on the following passage. Going online is a favorite recreation for millions of American children. Almost 10 million ( 14 percent) of America's 69 million children are online...
A.
are becoming increasingly rational
B.
are using Internet at an earlier and earlier age
C.
have created a growing advertising market
D.
are overtaking the adult market due to their spending power
【单选题】三段式电流保护中()构成线路的后备保护。
A.
瞬时电流速断保护
B.
限时电流速断保护
C.
定时限过电流保护
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