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【单选题】
验算钢筋混凝土受弯构件裂缝宽度和挠度的目的是( )。A.
使构件能够带裂缝工作
B.
使构件满足正常使用极限状态的要求
C.
使构件满足承载能力极限状态的要求
D.
使构件能在弹性阶段工作
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【单选题】Kentucky is the state _________ Lincoln was born in.
A.
when
B.
where
C.
-who
D.
which
【简答题】In general, matters which lie entirely within state borders are the ________ concern of state governments. A) extinct B) excluding C) excessive D) exclusive
【单选题】听力原文： The United Nations Secretary-General Ban Ki-moon has warned that hundreds of thousands of Burmese lives could be at risk unless the military government removes ail restrictions on foreign aid fo...
A.
hold the constitutional referendum.
B.
allow in foreign search and rescue teams.
C.
accept international aid right away.
D.
adopt John Holmes’suggestions.
【单选题】卤代烃为烃化试剂,当烃基相同时不同卤代烃的活性次序是
A.
RCl ＜ RBr ＜ RI
B.
RF < RBr < RI < RCl
C.
RF > RCl > RBr > RI
D.
RF
【单选题】_______is said that________ tourists visit Geyuan Garden every day.
A.
It; thousands of
B.
It; five thousand of
C.
That; thousands of
D.
This; three thousand
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