问题 选择题

下列有关实验现象叙述正确的是(  )

A.白磷燃烧产生大量白色的烟雾

B.铁丝在空气中燃烧,火星四射

C.生锈的铁钉放入稀盐酸中,产生黄色溶液

D.氧化铜和氢氧化钠溶液混合,产生蓝色沉淀

答案

A、白磷在空气中燃烧,产生大量的白烟,放出大量的热,故选项说法错误.

B、铁丝在空气中不能燃烧,故选项说法错误.

C、铁锈的主要成分是氧化铁,能和稀盐酸反应生成黄色的氯化铁溶液;故选项说法正确.

D、金属氧化物与碱溶液不反应,故氧化铜与氢氧化钠溶液不反应,故选项说法错误.

故选C.

阅读理解

Many overseas Chinese make their kids learn the Chinese language because they don’t want them to lose their mother language.

In the city of Portland in the USA, there is a weekend Chinese school in a church. In the school, there are Chinese kids and American kids. They study Chinese on Saturdays and Sundays. Teachers at the school are usually some overseas Chinese women. Miss Tian is one of them. She is from Beijing. She teaches her students many Chinese characters, sentences and Chinese songs.

Most of these kids speak English better than Chinese, because they spend most of their time at the local school, and their classmates are American.Their teachers teach them in English.

When the overseas Chinese children get home after school, their parents often speak Chinese to them. Only at that time do they think they are at home.

小题1:Why do many overseas Chinese make their kids learn the Chinese language?

A.Because they want them to speak Chinese.

B.Because they don’t want them to lose their mother language.

C.Because they live in China.

D.Because they can’t speak English.小题2:Where do the kids learn Chinese?

A.In their school.

B.At home.

C.In a park

D.In a weekend Chinese school in a church.小题3:.Who teaches them?

A.Some overseas Chinese women.

B.Their classmates.

C.Their parents.

D.Their friends.小题4:Which one is true?

A.Most kids speak Chinese better than English.

B.Most kids speak English better than Chinese.

C.Most kids speak Chinese as well as English.

D.Most kids can’t speak Chinese at all.小题5:What is the best title of this passage?

A.How to learn Chinese?

B.How to learn English?

C.Never forget your mother language

D.Learning Chinese is important

单项选择题