位于上颌骨的是A．尖牙窝 B．翼腭窝 C．翼肌窝 D．眶下窝 E．关节窝

根据下列各个句子的要求，完成、改写或翻译句子。

71. As soon as the volunteers reached Yushu, they set out to work. (改写)

_______ _______ _______ the volunteers ________ Yushu than they set out to work.

72. I didn’t realize that he was a famous football player until he took off his dark glasses. （改写）

______ ­­______ ______ ______ he took off his dark glasses that I realized he was a famous football player.             

73. Shanghai World Expo is a window. The world can come to know China through it.

Shanghai World Expo is ______ _______ ________ _______ the world can come to know China.

74. Travel can give people relaxation and pleasure. And it can increase people’s knowledge of any kind, too. (用not only…but also 改写句子)

75.毋庸置疑，事故是由于司机的粗心引起。(翻译)

There __________________________________________________________.

76. After I rested on a stone for half an hour, I felt refreshed. (改写成一个简单句)

小蓟饮子组成中含有的药物是（）

A.生地、通草

B.木通、当归

C.熟地、滑石

D.通草、蒲黄

E.栀子、通草

审核施工技术方案的是（）。

A.专业工程技术人员及专业监理工程师

B.施工项目主任工程师及总监理工程师

C.项目经理及总监理工程师

D.施工项目主任工程师及专业监理工程师

流行病学中属描述性研究的是（）。

A.现况调查

B.病例对照研究

C.队列研究

D.临床试验

E.社区试验

试列举北洋军阀三大派系。