As a public relations officer,he is said______some very influential people.(2001.6.CET-4)
A. to know
B. to be knowing
C. to have been knowing
D. to have known
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It is not uncommon for there______problems of communication between theold and the young.(2007.TEM-4)
A. being
B. would be
C. be
D. to be
The Minister of Finance is believed ______of imposing new taxes to raise extrarevenue. (2004.TEM-4)
A. that he is thinking
B. to be thinking
C. that he is to think
D. to think
单位产品的质量是用( )来表示的。
A. 指标值
B. 品数
C. 缺陷数
D. 平均值
吃过糖后再吃药会感觉药更苦,这是( )现象。
A. 适应
B. 对比
C. 变味
D. 拮抗