《素问·至真要大论》王冰注文“益火之源，以消阴翳”的治疗方法适用于哪项病证A．阳胜之

动物和人体不能利用无机物直接制造有机物，只能以现成的有机物为食，这是因为细胞中不含有（　　）

A．细胞壁

B．细胞膜

C．液泡

D．叶绿体

The trees need _________ .[ ]

A. watering    

B. to water

C. watered      

D. waters

种子内供胚发育的营养物质存在于哪种结构内（　　）

A．胚根或胚芽

B．种皮或果皮

C．胚乳或果皮

D．胚乳或子叶

职业能力的变化主要包括强化和相对弱化。

A young adult had a significant reaction to the Mantoux test. What conclusion would the nurse make from the findings（）

A. The client has active tuberculosis.

B. The client had active tuberculosis.

C. The client has been exposed to tuberculosis.

D. The client is immunocompromised.