巴比妥类药物的药效主要受下列哪种因素的影响
A. 体内的解离度
B. 水中的溶解度
C. 电子密度分布
D. 官能团
The idea _______ you can do this work well without thinking is quite wrong.
A. that
B. /
C. which
D. of
There was a suggestion _______ Brown should be dropped from the team.
A. that
B. of
C. which
D. what
He grabbed his suitcase and gave the impression ________ he was boarding the Tokyo plane.
A. that
B. /
C. which
D. what
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