单选题：These are defensive behavior patterns which derive from our

题目内容：

These are defensive behavior patterns which derive from our fears． A．stem
B．rely
C．develop
D．grow

参考答案：

答案解析：

幼儿观察发展的主要表现有哪些?

分类：卫生类题型：单选题

Younger people in America seldom complain of sleep disorders． A．Right B．Wrong C．

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Many students today display a disturbing willingness to choose institutions and

分类：卫生类题型：单选题

中医的五脏是指心、肝、脾、肾和A．胆 B．小肠 C．三焦 D．胃 E．肺

分类：卫生类题型：单选题

痰液呈黄色，静止后分三层，常见于A．肺癌 B．肺结核 C．支气管扩张 D．细菌性肺炎 E．慢性支气管炎

分类：卫生类题型：单选题