道德已经形成，就是固定不变的。

胸膜病变中，哪种最常见（）

A.胸膜的炎症

B.胸膜的损伤

C.胸膜的肿瘤

D.尘肺引起的胸膜病变

E.结缔组织病引起的胸膜病变

一个长方体的油桶，从里面量长5分米，宽3.8分米，高6分米．如果每升汽油重0.74千克，这个油桶可以装油多少千克？

补全对话。

A: Hello! 28361579.

B: Is 1              Mr. Jones?

A: Sorry, he 2              in at the moment. He left home a few minutes 3             .

B: 4              a pity! Will he come back soon?

A: I'm not sure. Can I 5              a message for him?

B: It's very 6              of you. There will 7              a meeting at 2:00 tomorrow afternoon.

    Please tell him to come 8              time.

A: I certainly will. I'll tell him as 9              as he comes back.

B: Thanks a lot. Good-bye!

A: You're 10             .

腰椎穿刺后低颅压性头痛可有（）

A.恶心、呕吐

B.颈僵硬

C.眩晕、耳鸣、视物模糊

D.脑脊液蛋白质含量增高

E.脑脊液白细胞增多

血站基本标准（修订稿）（）由卫生部印发

A.1987

B.1995.

C.1998.

D.2000.