使用荧光磁粉的一个优点是（）。A、需要的设备少 B、检验速度快 C、成本低 D

A female client is discharged from the hospital after having an episode of heart failure. She’s prescribed daily oral doses of digoxin (Lanoxin) and furosemide (Lasix). Two days later, she tells her community health nurse that she feels weak and frequently feels her heart "flutter. " What action should the nurse take ？（）

A．Tell the client to rest more often.

B．Tell the client to stop taking the digoxin, and call the physiciarn.

C．Call the physician, report the symptoms, and request to draw a blood sample to determine the client’s potassium level.

D．Tell the client to avoid foods that contain caffeine.

—What place is it?

—Haven’t you seen that we ________ back where we ________ ?

A．were；had been

B．are；were

C．were；have been

D．are；had been

（）是指保持资产组合中各类资产的固定比例。

A．投资组合保险策略

B．买入并持有战略

C．动态资产配置

D．恒定混合策略

在动画绘制中关于惯性运动的表现，以下论述不正确的是（）

A.惯性的大小是由物体的体积决定的

B.由于惯性运动变形出现时间很短，所以只要拍几帧画面，就应迅速恢复到正常状态

C.飞刀插入木板，刀的前端由于木板的阻力而突然停止，后端也和前端一起停止

D.运动状态容易改变的物体，保持原来运动状态的能力大小，决定了它的惯性大小

简述信用政策的内容和影响信用标准的基本因素。