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【单选题】
在放射工作中，应注意阳极效应的影响。错误的做法是A.
拍片时使肢体长轴与X线管长轴平行
B.
将厚度大的部位置于阳极端
C.
将密度高的部位置于阳极端
D.
将厚度大的部位置于阴极端
E.
B+C
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【单选题】Guangzhou is becoming more and more beautiful, we are really proud ______ it.
A.
of
B.
in
C.
to
D.
at
【单选题】The phrase 'going to the dogs'(paragraph 3)most probably means
A.
becoming worse.
B.
becoming lazier.
C.
becoming crazier.
D.
becoming easier.
【单选题】As we all know, the number of Tibetan antelopes(藏羚羊) ________ becoming ___________.
A.
is; less and less
B.
are; less and less
C.
is; smaller and smaller
D.
are; smaller and smaller
【单选题】在“新建CSS规则”对话框中,若要定义一个名为word的类样式,则选择器名称应该定义为________。 ( )
A.
word
B.
.word
C.
#word
D.
＜word＞
【单选题】— The number of pandas is getting________ because their living areas are becoming polluted. — So we must do something to protect them.
A.
less and less
B.
larger and larger
C.
smaller and smaller
D.
fewer and fewer
【单选题】The environment is becoming worse and worse. We must stop the pollution __________ longer. [ ]
A.
to live
B.
from living
C.
living
D.
live
【单选题】We can infer from the passage that _________________.
A.
America is becoming a warlike country
B.
the American role in the world is no longer proper
C.
America will become the most powerful again if it starts to learn foreign customs
D.
America shouldn't remain blind and ignorant with respect to other nations' cultures
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