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问题 单项选择题

患者，男，53岁，发热、咳嗽、咳痰3天，查体：体温38．6℃，右上肺叩浊。胸片如图：

此病的主要致病因素为（）

A.霉菌

B.肺吸虫

C.结核菌

D.肺炎双球菌

E.放线菌

答案

参考答案：D

阅读理解

Kate lives in London with her parents. She is a schoolgirl. Today is Kate’s birthday and she’s fifteen years old. Her father’s name is Smith. He works in a hospital. People think he is a good doctor. Kate’s mother is a nurse. She is a very good nurse. Kate has two brothers and a sister, and they study in China. Her elder(大) brother speaks Chinese very well and has many friends there. He is a college (大学) student. But her younger brother and sister are middle-school students. Both of them are studying Chinese very hard and want to be teachers of Chinese in their country(国家).

小题1: Today Kate is _________________.

A．fifteen

B．sixteen

C．seventeen

D．eighteen小题2:What is her father? ___________ .

A．A teacher

B．A nurse

C．A doctor

D．A worker小题3:What do her younger brother and sister want to be?

A．Teachers of English

B．Teachers of Chinese

C．Teachers of maths

D．Teachers of art小题4:Where does her elder brother have many friends? ____________.

A. In his country     B. In the hospital  C. In China            D. In the USA.

小题5:Her younger brother and sister want to teach _______ people Chinese.

A．English

B．American

C．Chinese

D．China
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问答题

（5分）请根据常见的金属的知识回答有关问题：

（1）写出地壳中含量最多的金属元素的符号                。

（2）解释不能用铁制容器配制硫酸铜溶液的原因（用化学方程式表示）_____________；

（3）铬、铜及其合金在交通工具上随处可见，现将铬（Cr）插入Cu(NO3)2的溶液中，铬上有红色物质出现。则铬和铜相比，金属活动性强的是______________；

（4）目前铝在多个领域替代易生锈的钢铁，其主要原因是                            。

（5）若要除去FeCl2溶液中的少量CuCl2杂质，可加入过量的        。
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