以劳动合同生效至终止的期间为标准，可将劳动合同分为（）.A.无固定期限劳动合同 B

Once you’ve written down all your goals, both large and small, the next step on your journey to success is to activate the creative powers of your subconscious mind by reviewing your list two or three times every day. Take time to read your list of goals. Read the list one goal at a time. Close your eyes and picture each goal as if it were already accomplished. Take a few more seconds to feel what you would feel if you had already accomplished each goal.

用铅蓄电池电解甲、乙电解池中的溶液。已知铅蓄电池的总反应为：Pb(s) ＋ PbO₂(s) ＋ 2 H₂SO₄(aq) 2 PbSO₄ (s) ＋2 H₂O (l) 电解一段时间后向c极和d极附近分别滴加酚酞试剂，c极附近溶液变红，下列说法正确的是（   ）

A．d极为阴极

B．若利用甲池精炼铜，b极应为粗铜

C．放电时铅蓄电池负极的电极反应式为：

PbO₂(s) ＋ 4 H^＋(aq)＋SO₄ ^2－(aq)＋4e^－ = PbSO₄ (s) ＋2H₂O (l)

D．若四个电极材料均为石墨，当析出6.4 g Cu时，两池中 * * 生气体3.36 L(标准状况下)

患者，男，43岁。口苦，心烦，胸闷不舒，入睡困难，舌质红，脉数。用药宜首选

A．栀子、淡豆豉

B．栀子、竹叶

C．黄连、肉桂

D．酸枣仁、柏子仁

E．酸枣仁、远志

下列不属于现场检查程序的是( )。

A．现场检查准备阶段

B．现场检查实施阶段

C．现场检查处理阶段

D．现场检查后续阶段

（）是有效进行自我保护和安全有效地制服、控制执勤对象的重要前提。

A.体能训练

B.充分的心理准备

C.提高警惕

D.立场坚定