问题 选择题

化学在生产和日常生活中有着重要的应用。下列叙述正确的是

A.在有机化工中,氯气是合成塑料、橡胶、人造纤维、农药、染料和药品的重要原料

B.“辽宁舰”上用于舰载机降落拦阻索的特种钢缆,属于新型无机非金属材料

C.白酒中混有少量塑化剂,少量饮用对人体无害,可通过过滤方法除去

D.汽车尾气中含有氮的氧化物,是汽油不完全燃烧造成的

答案

答案:A

B项,特种钢缆应属于新型有机材料,错误;C项,白酒中的塑化剂和白酒是混溶的,无法通过过滤的方法除去,错误;D项,在高温下N2+O22NO,错误。

单项选择题
阅读理解

A year ago, I paid no attention to English idioms, though my teacher emphasized the importance again and again. But soon, the importance of English idioms was shown in an amusing experience.

One day, I happened to meet an Englishman on the road, and soon we began to talk. As I was talking about how I was studying English, the foreigner seemed to be astonished, gently shaking his head, shrugging his shoulders, he said,“You don’t say!” I was puzzled. I thought, perhaps this is not an appropriate topic. “Well, I’d better change the topic.” So I said to him, “Well, shall we talk about the Great Wall? By the way, have you ever been there?” “Certainly, everyone back home will laugh at me if I leave China without seeing it. It was magnificent.” He was deep in thought when I began to talk like a tourist guide.” “The Great Wall is one of the wonders in the world. We are very proud of it.” Soon I was interrupted again by his words. “You don’t say!” I couldn’t help asking, “Why do you ask me not to talk about it?” “Well, I didn’t request you to do so,” he answered, greatly surprised. I said, “Didn’t you say ‘You don’t say’?” Hearing this, the Englishman laughed to tears. He began to explain, “‘You don’t say’ actually means ‘really’. It is an expression of surprise. Perhaps you don’t pay attention to English idioms.”

Only then did I know I had made a fool of myself. Since then I have been more careful with idiomatic expressions. Remember: what the English teachers said is always right to us students.

小题1:A year ago, I paid no attention to English idioms because_________.

A.English idioms were not important

B.I had no interest in English learning

C.my teacher didn’t emphasize the importance of them

D.I cared little about the teacher’s instruction小题2:At first, on hearing “You don’t say”, I thought the foreigner meant_________.

A.I had talked too much

B.he was only interested in the Great Wall

C.he was not interested in the topic

D.I had to stop talking小题3:The underlined word “amusing” in paragraph 1 means_________.

A.funny

B.important

C.lucky

D.terrible小题4:After the Englishman explained the idiom, _________.

A.I thought the Englishman had made me a fool

B.the Englishman became a real fool

C.I felt very silly

D.I became more careful in everything小题5:Which of the following is true according to the passage?

A.The Englishman left china without seeing the Great Wall.

B.The Englishman wanted to see the Great Wall after I talked about it.

C.The Englishman wanted me to act as his guide.

D.The Englishman visited the Great Wall and thought it worth visiting.