护理文献综述论文属于( )A．议论文 B．专题性学术论文 C．科研工作书面总结 D

已知某地正常成年男子的红细胞数近似正态分布，拟用144名正常成年男子的红细胞数确定95%参考值范围，宜采用公式（）。

A.均数

B.（均数±1.95）×标准差

C.（均数±1.95）×标准误

D.（均数±2.58）×标准差

E.（均数±2.58）×标准误

通读下面的对话，根据上下文补全对话内容。

A: Good morning. 1.                                              

B: I'd like to buy an MP4 for my English study.

A: We have many types here. Some are made in China and some are made in other countries.

B: This one looks nice. 2.                                             

A: It's made in Japan.

B: 3.                                                       

A: 2,000 yuan. It's a new type.

B: Wow. That's too expensive! I can't afford it. Do you have a cheaper one?

A: Sure. 4.                                             It costs only 300 yuan.

B: Well. That one looks very good and the price is OK. Is it made in China?

A: Yes. It's made in Shanghai.

B: OK, 5.                                              

基础埋置深度在无冲刷或设有铺砌防护时，在地面下不小于（）。

A、1m

B、1.5m

C、2m

D、2.5m

主动脉瓣关闭不全的杂音（）

A.向颈部传导

B.向右肩部传导

C.向心尖部传导

D.向左腋下部传导

E.向胸骨左缘2～5肋间传导

图片和其他视觉素材成为了阅读的主体，这是现代审美的追求。