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问题 单项选择题

下列晚发型矽肺发生的条件中哪项是错误的

A．接尘浓度高

B．粉尘中的游离SiO2含量高

C．接尘年限短

D．脱尘时X线胸片未见明显异常

E．接尘者身体比较虚弱

答案

参考答案：E

解析：
晚发型矽肺发生与接尘浓度过高，并且粉尘中游离SiO2含量高等有关，与接尘者身体比较弱无关。

单项选择题

省级公安机关消防机构应当在上设立消防设计和竣工验收备案受理系统。

A、互联网

B、公安网

C、接待受理窗口

D、政府办事大厅
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阅读理解

阅读理解。

     This is a boy. His name is Tom. He has a nice cat. It is an English cat. It has black and gray hair. Lucy

  and Mike are Tom's friends. They have cats, too. Their names are Mimi and Maomao. They are Chinese

  cats. They both have white hair. The English cat is five. The Chinese cats are three. They like their cats.

( ) 1. Lucy is Tom's friend.

( ) 2. Tom's cat is Chinese.

(     ) 3. The Chinese cats are five.

(     ) 4. They like their cats.

( ) 5. Tom's cat is Mimi.
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