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【单选题】
建筑物按照使用性质可分为( )。 1工业建筑 2公共建筑 3民用建筑 4农业建筑A.
①②③
B.
②③④
C.
①③④
D.
①②④
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举一反三
【单选题】1公斤铀 235 裂变产生的能量大约是两千五百吨煤燃烧所释放的能量,而1公斤氘、氚混合物聚变释放的能量又是一公斤铀 235 裂变所释放的能量的( )倍。
A.
约200
B.
约50
C.
约25
D.
4~5
【单选题】Whenyou read the headline “Cure That Is Worse Than the Problem” from the Internet,what do you predict to read in the article? Choose a content that bestdescribes your prediction.
A.
A new drug has been discovered but it is far too expensive.
B.
A doctor criticizes the use of medicines in general.
C.
A widely used drug is found to cause more harm than good.
D.
People would face their problems better if they did not take drugs.
【简答题】Whenyou__________(接受)apresent,youmustusebothhands.It’satraditionalcustominChina.
【单选题】You'd better take something to read whenyou go to see the doctor ______ you have to wait.
A.
even if
B.
as if
C.
in case
D.
so that
【单选题】1公斤铀 235 裂变产生的能量大约是两千五百吨煤燃烧所释放的能量,而1公斤氘、氚混合物聚变释放的能量又是一公斤铀 235 裂变所释放的能量的( )倍。
A.
200
B.
50
C.
25
D.
4~5
【简答题】Whenyou read the headline “Cure That Is Worse Than the Problem” from the Internet,what do you predict to read in the article? Choose a content that bestdescribes your prediction.A. Anew drug has been ...
【单选题】下列不属于发展氘氚聚变核反应堆优点的是_________。
A.
氘、氚聚变能是铀-235裂变能释放的4倍
B.
聚变反应不会产生强放射性的放射性物质
C.
反应堆体积小巧，易于控制
D.
海洋中有取之不尽的氘
【单选题】下列不属于发展氘氚聚变核反应堆优点的是()
A.
氘、氚聚变能是铀-235裂变能释放的4倍
B.
聚变反应不会产生强放射性的放射性物质
C.
海洋中有取之不尽的氘
D.
反应堆体积小巧，易于控制
【单选题】回答题 We' ve read how babies stare longer and cry less when held by pretty people， and heard tales of handsome children doing better in school， given special attention by their teachers. In life， as in ...
A.
have less difficult in life
B.
are less worried about love
C.
pay less attention to others
D.
like to gaze at lovely babies
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