______ twice a year，whether it is a car

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问题选择题

______ twice a year，whether it is a car or a truck，is the rule that every driver must obey in this city.

A．Examining

B．Examined

C．Having examined

D．Being examined

答案

答案：D

此题考查非谓语动词。Being examined twice a year系动名词短语的被动形式作了句子的主语。

多项选择题案例分析题

患者男性，55岁。长期酗酒。某天饮酒后突然呕血1500ml左右，出现休克症状，入院后血常规显示Hb70g/L，考虑输血治疗。血型检测为A型Rh阳性，不规则抗体阴性。准备输注交叉配血相合的血液制品。

以下关于失血量与输血处理正确的是（）

A.当失血量<15%（约750ml，成人）时，常常不需要输血

B.当失血量<15%（约750ml，成人）时，必须进行输血，补充红细胞或全血

C.当失血量为15%～30%（约800～1500ml，成人）时，需要输注晶体或胶体液扩容，而当患者已存在贫血且心肺储备功能降低或有继续失血，还应输注红细胞

D.当失血量为30%～40%（约1500～2000ml，成人）时，立即输注晶体液或胶体液快速扩容，视病情决定输注红细胞

E.当失血量为30%～40%（约1500～2000ml，成人）时，视病情决定输注红细胞以保证组织得到足够的氧供应，但不是以纠正贫血和单纯提高血红蛋白浓度为目的

F.当失血量>40%（>2000ml，成人）时，在积极应用晶体液或胶体液扩容、输注红细胞的同时，同时补充凝血因子、血小板

补全对话，情景问答

情景交际。从Ⅱ栏中找出Ⅰ栏各句的应答语。

Ⅰ Ⅱ

( ) 1. How old is your teacher? A. Yes, she is.

( ) 2 . What color is your bag? B. Sorry, I don't know.

( ) 3. Is the girl tall? C. How do you do?

( ) 4. How do you do? D. It's yellow.

( ) 5. Who is the man in the car? E. My teacher is fine.

( ) 6. Thanks very much. F. He is my friend.

( ) 7. What are those in English? G. He is tall and strong.

( ) 8. How is your teacher? H. Yes, I do.

( ) 9. Do you have a knife? I. They are cakes.

( ) 10. What does your teacher look like? J. You are welcome.