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【单选题】
对反应PCl 3 (g)+Cl 2 (g)====PCl 5 (g)，如何能提高PCl 3 的转化率。( )A.
增加PCl 5 的压力
B.
减小总压
C.
加入催化剂
D.
增加Cl 2 的压力
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【单选题】设哈希表长为 14 ,哈希函数是 H(key)=key%11, 表中已有数据的关键字为 15 , 38 , 61 , 84 ,要将关键字为 49 的结点加到表中,用平方探测再散列法解决冲突,则放入的位置是 ( )
A.
8
B.
3
C.
5
D.
9
【单选题】The boy ran fast so that I couldn’t catch him.
A.
ran
B.
fast so that
C.
couldn't
D.
catch
【单选题】What can we infer from the forming of the Tory Party and the Whig Party?
A.
These two parties originally believed in different religions.
B.
These two parties were established under the influence of different religious beliefs.
C.
The British King and the Parliament supported different religions because they were for the two party system.
D.
The British King and the Parliament were supported by different parties for political reasons.
【简答题】(inform) ______ about the thief, the policemen rushed out into their cars to catch him.
【单选题】Lai Changxing _____ Canada with his family before the policemen began to catch him. [ ]
A.
had been to
B.
has gone to
C.
would go to
D.
had arrived in
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