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问题 单项选择题 A1型题

中药材在加工、储藏中常用熏蒸硫黄达到杀菌、防腐、漂白的目的，这种处理方法易导致哪种物质的污染（）

A.硫化钠

B.硫化钾

C.二氧化硫

D.硫酸

E.碳酸

答案

参考答案：C

多项选择题

患者男性，55岁。左下脓肿胀不适，可见下肤浅静脉蜿蜒迂曲。左大腿内侧可扪及大隐静脉扩张，内踝处皮肤有浅褐色色素沉着。浅静脉瓣膜功能及交通支瓣膜功能试验均阳性。

下肢深静脉血栓形成的三大要素包括（）。

A.静脉瓣膜发育不良

B.术后早期离床活动

C.血流缓慢

D.血液高凝状态

E.腹压增高

F.血管内膜损伤
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阅读理解

任务型阅读：根据短文内容，填写下列各题。

John is an American boy. His family is in China now. John likes chocolates(巧克力) very much. But his mother doesn’t give him any. They are not good for him, she thinks. But John has a very nice grandfather. The old man loves him very much, and sometimes he buys John some chocolates. Then his mother lets John eat them. She wants to make the old man happy. On the evening of May 1st John says in his room, “Please, God (上帝). Make them give me a big box of chocolates tomorrow. It’s my eighth birthday.” His mother says，“God can’t hear you, my boy.” “I know, but my grandfather is in the next room. He can hear.”

1. John comes from 小题1:   .

2. John lives in 小题2:    now.

3. John likes eating 小题3:  very much. But his mother thinks they are not   小题4:  for him.

4. John’s 小题5:   sometimes buy some chocolates for him

5. May 2nd is John’s eighth  小题6:   .
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