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【简答题】
相同质量的SO 2 和SO 3 ,所含分子的数目之比为______;所含O的物质的量之比为______.
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【单选题】It can be inferred from the passage that ______.
A.
radiation is not a threat to well-protected space explorers
B.
astronauts will have deformed children or grandchildren
C.
protection from space radiation is no easy job
D.
the Apollo mission was very successful
【单选题】下列光电器件是基于光导效应的是
A.
光电管
B.
光电池
C.
光敏电阻
D.
光敏二极管
【单选题】听力原文: The Pentagon has issued a statement asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assertion that it can prot...
A.
The military will withdraw from Iraq.
B.
The military is prepared to protect its personnel.
C.
There is no need to worry about the Bio-weapons attack at present.
D.
American troops will be equipped with better bio-weapons.
【单选题】This set of furniture will last for several generations ______ properly handled and protected.
A.
although
B.
and
C.
that
D.
if
【简答题】increase, engage, capital, protect, failures, fail, interests, efficiently, expensive, align, protect, insurance, defraud, losses, closes Bank managers and owners must not be given incentives to【1】in ...
【单选题】 “Need you go now?” “________.”
A.
Yes, I need
B.
Yes, I have to
C.
No, I mustn’t
D.
No, I don’t
【单选题】轴压构件稳定系数φ主要与下列哪个因素有关。
A.
长细比
B.
混凝土强度等级
C.
钢筋强度
D.
纵筋配筋率
【单选题】The helicopter soon arrived at the scene of the accident to _______ the survivors.
A.
organize
B.
protect
C.
rescue
D.
command
【单选题】Not having a good ________ of English can be a serious disadvantage to achieving your goals.
A.
protection
B.
appreciation
C.
command
D.
experience
【单选题】Now that spring is here, you can ________ these fur coats till you need them again next winter.
A.
put over
B.
put away
C.
put off
D.
put down
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