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问题 名词解释

氧离曲线

答案

参考答案：

或称氧合血红蛋白解离曲线是表示Po2与Hb氧结合量或Hb氧饱和度关系的曲线，该曲线既表示不同Po2下O2与Hb的分离情况，同样也反映不同Po2下O2与Hb的结合情况此为oxygen  dissociation  curve.

完形填空

At one of the schools in London, the students can go into town in the afternoon. But they must     to the school before six. One afternoon, Bob went to see a film. When he came back to the school, the school gate had already been closed. He went around the building to    door. That one was closed, too. Then he saw an open window on the       floor. It was the      office, Bob looked         the room, but no one was in. He quickly      into the room. Just then he heard a voice. Bob looked round and hid himself    a chair. Then the head teacher came in and sat down on the chair. He read a book for an hour. At last the head teacher stood up and went towards the door. “Thank goodness, he didn't         me.” Bob thought.        he left the room, the head teacher said to the chair, “Would you please    the lights when you leave?”

小题1:A．come               B．go               C．return

小题2:A．the other           B．another          C．small

小题3:A．first               B．second           C．third

小题4:A. teacher's          B. head teacher’s         C. students'

小题5:A．at                 B．out of           C．into

小题6:A．climbed            B．went             C．ran

小题7:A．behind           B．in front of     C．beside

小题8:A．see                B．hear             C．find

小题9:A．As soon as         B．After            C．Before

小题10:A．turn off         B．turn on          C．turn down
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单项选择题

不属于咽的生理功能是（）

A.呼吸

B.吞咽

C.保护

D.免疫

E.屏气
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