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问题 单项选择题

为了防止土壤中的水分沿基础墙上升，防止位于勒脚处的地面水渗入墙内，使墙身受潮，应在墙身中设置（）。

A.防水层

B.防潮层

C.装饰层

D.抹灰层

答案

参考答案：B

阅读理解

George Stephenson was born in 1781 in a poor family. He had to start work when he was only eight．When George was fourteen, he became his father's helper．He spent a lot of time learning about engines（发动机）．And on holidays he often made one engine to pieces and studied each piece carefully．Soon he became a very good worker though he could not read or write．He began to learn English letters when he was seventeen years old．Every day after he did twelve hours of hard work, he walked a long way to have lessons from a young school teacher. On his eighteenth birthday，he wrote his own name for the first time in his life．George invented（发明） many things in his life．The train was the greatest one among them．Today when we take trains from one place to another，we'll think of this great man---George Stephenson．

小题1:In which year did George Stephenson start to help his father？________．

A．In 1781

B．In 1789

C．In 1795

D．In 1798小题2:He learned about the engine ________．

A．through reading and writing

B．by making it to pieces and studying each piece carefully

C．at lessons from a young teacher

D．by asking a lot of questions小题3:He spent a lot of time learning about engines and soon he became ________．

A．a great man

B．a good maker

C．a good worker

D．a good student小题4:George Stephenson invented the ________.

A．the train

B．the telephone

C．the car

D．the computer小题5:From the passage we know George Stephenson was one of the greatest ____ in the world．

A．workers

B．writers

C．learners

D．inventors
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多项选择题 案例分析题

2003年3月某县发生了一起七日内三次家庭食物中毒。首次食物中毒发生于3月2日晚时，A某一家除其子因上学于当日下午5时离家去学校食宿外，其余一家三口均在食用新蒸馍后约1小时发生腹痛、腹泻、恶心、呕吐，经村卫生院对症治疗后于当晚10时左右症状缓解，未予特别注意。3月3日晚7时，A某一家三口于晚饭后约1小时再次发病，症状与第一次基本相似，3月8日A某及其子一家四口在食用新蒸馍后发生第三次食物中毒。第三次食物中毒发生后患者被送往医院，并报告卫生部门。

提示：将发霉小麦处理后发生中毒的例数减少。为防止类似情况的发生应该（）

A.病麦要通过碾米机扎辊碾皮

B.也可以用适当量的良好小麦将这些小麦稀释

C.储藏期间必须勤检查，发现问题及时处理

D.已感染赤霉病麦，收获后应及时晾哂

E.及时烘哂、及时风扬、保持洁净和干燥

F.尽快将粮食的含水量降低
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