宋朝时，江南地区农业发展较快的原因有（） ①南方战乱少 ②许多中原人南迁 ③自然

Mr Brown, I have ________ special to show you. Guess what it is.

A．something

B．anything

C．everything

D．nothing

落叶中的K含量比植株上正常叶中的K含量低，这是因为K( )。

A．在叶片中形成不够稳定化合物

B．在叶片内呈离子状态，可以转移

C．在叶片内形成稳定化合物

D．在叶片内只能利用一次

预防为主是生产经营单位安全生产管理的一项基本原则。

A client who is 7 months pregnant reports severe leg cramps at night. Which nursing action would be most effective in helping her cope with these cramps

A．Suggesting that she walk for 1 hour twice per day.

B．Advising her to take over-the-counter calcium supplements twice per day.

C．Teaching her to dorsiflex her foot during the cramp.

D．Instructing her to increase milk and cheese intake to 8 to 10 servings per day.

出租汽车驾驶员从业资格管理档案包括（）

A.从业资格考试申请材料

B.从业资格证申请

C.注册及补（换）发记录

D.交通责任事故情况