下列除哪项外，都体现了阴阳的互根关系( )A．孤阴不生，独阳不长 B．重阴必阳，重阳

缺词填空。

     Being safe in your everyday life needs (1)k_____. If you remember the following (2)i_____, your life

will be much safer. 

    ★ Always (3)n_____  the environment around you. You shouldn't walk alone outside. Make sure where

the public phones are. If anything (4)d_____ happens, you can find them (5)e_____.

    ★ Your bag should be (6)c_____ towards the front of your body (7)i_____ of putting it on your (8)b_____. When a bus is full of people, it is easy for a thief to take away your bag. 

    ★ If you are (9)f_____ by someone you don't know, cross the street and go to the (10)o_____ way, let

the person understand that you know he or she is (11)a_____ you. Next, don't go home at once. You are

(12)s_____ in the street than you are alone in your home or in a lift.

学校买来科技书、学科辅导书、文艺书共576本，科技书、学科辅导书、文艺书本书的比是3：4：5．这三种书各买来多少本？

护理糖原累积病Ⅰ型患儿，病情观察的关键症状和体征是（）

A.腹部膨隆

B.肝大

C.体重

D.低血糖

E.肌张力

某医疗辅助生殖技术机构在没有通知某当事人的情况下，将其冷冻保存精子为一患者提供了人工授精技术，该机构违背了哪项伦理原则（）。

A.有利于供受者的原则

B.知情同意的原则

C.社会公益原则

D.保密原则

E.保护后代的原则

国家标准编号由（）构成。

A．国家标准的代号

B．国家标准发布的顺序号

C．国家标准发布的年号

D．国家标准的分类号

E．国家标准发布的日期