卧式三柱塞泵的传动轴是一个三曲拐轴，并相互错开（）。 A.30° B.60° C.9

阅读短文，根据短文内容及首字母提示，填写所缺单词。(每空0．5分，共10空，计5分）

Bill Gates was born on October 28, 1955. He was n小题1:William Henry after his father and grandfather. He was a very clever boy. At school, his favourite s小题2:ere science and maths. When people asked him w  小题3:he wanted  to be  in  the  future, he always  said, "A scientist. "

When he was 13 years old, Bill started to play w 小题4:computers. At that time, a computer was a very large m小题5:Once he was interested in a very old computer. He and some of his friends spent lots of time d 小题6: unusual things with it. In the end, they worked out a software program(软件程序). Bill sold it for 4, 200 dollars when he was only 17.

In 1973, Bill went to Harvard University. There he developed the BASIC language for the first microcomputer (微机). But he didn't finish his studies in Harvard. In his t 小题7: year, he left Harvard to work for Microsoft (微软). He thought computer would be an i 小题8: tool (软件公司) in every office and in every home, s 小题9: he began developing software for personal computers. He made it much e 小题10: for people to use computers than before.

孙某某，男，44岁，市场部经理，因饮酒后腹痛伴呕吐33小时而来医院就诊。疼痛呈持续性刀割样，阵发性加重，且向腰部呈带状放射，稍进食后则疼痛更剧烈。呕吐一次，为食物残渣。中度发热，给予解痉药疼痛无减轻。既往胆囊炎胆石症史，平时进食油腻或饮酒后有上腹部疼痛发作。体形肥胖，心率110次/分，律齐。腹部检查：腹壁明显紧张，上中腹部压痛明显，有反跳痛，肝脏肋下未及，墨菲氏征阳性，移动性浊音阳性。

实验室及辅助检查：血常规示：WBC18.8×109/L，肝肾功能：ALT120U/L，AST90U/L，ALP210U/L，总胆红素36μmol/l，直接胆红素14μmol/l。血尿淀粉酶明显升高。正铁血白蛋白阳性。腹部CT示胰体积增大，周边渗出境界不清，腹腔内有积液，不排除胰腺炎的可能。B超示胆囊炎，胆石症，胰腺肿大渗出。问题：

该病人的诊断是什么？请写出主要诊断依据。（包括病史、体征和实验室及辅助检查）

假定L单位的劳动力和K单位的资本相结合可以生产Q单位的产品，则生产函数可表示为Q=F（L，K），如果和L和K都增加X倍，产量为Q时，即当A=X时说明（）

A、规模收益递减

B、规模收益不变

C、规模收益递减

D、不能确定

有权就WTO管辖的一切问题作出决定的是( )

A． * * 事会

B．委员会

C．理事会

D．部长会议

类脂包括（）

A.甘油三酯

B.脂固醇

C.胆固醇脂

D.磷脂

E.糖脂