问题
选择题
Wuhan , once called Chicago of East by Mr. Sun Yatsen , has become a prosperous city in central Hubei .
A．\;the
B．a; the
C．\; a
D．the; the
答案
答案：D
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Wuhan , once called Chicago of East by Mr. Sun Yatsen , has become a prosperous city in central Hubei .
A．\;the
B．a; the
C．\; a
D．the; the
答案：D
p C(g)，达到平衡后，若将气体体积压缩到原来的一半，当再达平衡时C的溶液是原来的1.9倍，则下列叙述正确的是 ( )