题目内容

在电荷丰富的分子与电荷相对缺乏的分子间发生的作用形式是

A. 共价键
B. 疏水键
C. 金属络合
D. 氢键
E. 电荷转移复合物

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男性中年患者,2周前明确诊断为右示指狭窄性腱鞘炎,此时最简便、有效的治疗方法是

A. 制动
B. 理疗
C. 醋酸泼尼松龙局部封闭
D. 局部注射抗生素
E. 腱鞘切开术

29()

A. tiresome
B. tire
C. tiring
D. tired

强吸电子基团,影响电荷分布和脂溶性

A. 卤素
B. 羟基
C. 烃基
D. 酰胺
E. 酯

The author compares rain forests to coral reefs because ______.

A. they are approximately the same size
B. they share many similar features
C. most of their inhabitants require water
D. both have many different forms of life

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