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【单选题】
fenceA.
n.发热，发烧；狂热
B.
n.栅栏
C.
n.档案 vt.把…归档
D.
n.影片；胶卷；薄层
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举一反三
【单选题】As high school students flock to social networking sites, campus police are scanning their Facebook and MySpace pages for tips to help break up fights, monitor gangs and prevent crime. Some students o...
A.
they have some special privileges to do so
B.
they may detect gang-fighting through the Net
C.
it is easier to solve students" conflicts online
D.
it is their duty to protect students" privacy
【简答题】Police are now searching for a woman who is reported to ____ since the flood hit the area last Friday. A. have been missing B. have got lost C. be missing D. get lost
【单选题】硅砖与高铝砖不能砌筑在一起，其原因是（ ）。
A.
SiO 2 的熔点比 Al 2 O 3 的熔点低
B.
SiO 2 中加入少量 Al 2 O 3 会导致 SiO 2 的熔点降低
C.
莫来石的液相线比较平坦
D.
莫来石的熔点太低，不能用作耐火材料
【单选题】硅砖与高铝砖不能砌筑在一起,其原因是: 。
A.
二氧化硅的熔点比氧化铝 的熔点低
B.
二氧化硅 中混入少量的氧化铝 会导致二氧化硅 的熔点降低
C.
莫来石的液相线比较平坦
D.
莫来石的熔点太低，不能用作耐火材料
【单选题】硅砖与高铝砖不能砌筑在一起，其原因是（）。
A.
SiO 2 的熔点比Al 2 O 3 的熔点低
B.
SiO 2 中混入少量的Al 2 O 3 会导致SiO 2 的熔点降低
C.
两者形成的莫来石晶体的液相线比较平坦
D.
莫来石的熔点太低，不能用作耐火材料
【简答题】试述妊娠高血压疾病临床分型。
【简答题】London police are well known in the world. Today there are policemen everywhere, but in 1700 there was no policeman in London at all. A few old men used to protect the city streets at night, and they ...
【单选题】Police are now searching for a woman who isrepo
A.
33.Police are now searching for a woman who isreported to ____ since the flood hit the area last Friday. ( 山东 ) A. have been missing
B.
have got lost
C.
bemissing
D.
getlost
【简答题】扁平疣的临床表现
【单选题】A government official was murdered last Friday and the police are collecting information that is to the case.
A.
similar
B.
devoted
C.
relevant
D.
addicted
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