渗出液总蛋白／血清总蛋白比值应大于（） A.0.5 B.0.4 C.0.3 D.0.

WikiLeaks founder Julian Assange was in court today, and when asked for his address he said he didn't want to ________ that information.

A．give out

B．keep out

C．hold out

D．bring out

The old man wants to see the great changes in our country, and I am sure he will ________.

A．in case

B．in charge

C．in time

D．in his turn

反映阴性例数中真正无病者数量的指标是（）

A．灵敏度

B．特异性

C．准确性

D．阳性结果预测值

E．阴性结果预测值

下图是光合作用过程的图解，请据图说明：

图中叶绿体中色素主要吸收光谱为（）和红光