搜题请搜索小程序“爱下问搜题”
问题 单项选择题

99，110，122，135，( )。

A．149

B．150

C．151

D．148

答案

参考答案：A

解析： 此数列为二级等差数列，故空缺处为135+14＝149。

阅读理解

Dear Zhou Lan,

Thank you very much for your mail. I want to go to China. I know something about China from your e-mails. Your English is very good. But I don't know much Chinese. Now I'm learning it from my parents. They know much about China. They tell me many things about China.

I'm happy to know you like your school and your family. You want to know my family and my school. I have a big family. My grandparents and my parents are all very fine. My father has a brother. He is my uncle, John. He and my aunt have their children. They're Bill, Linda, Mary and Lily. My brother Dick is a boy of eighteen. I like my family very much. I'll go to China next year with my mother. She is going to teach English in a middle school in Beijing.

Yours,

Annie

小题1:This is an e-mail from _____ to _____.

A．Zhou Lan; Annie

B．Annie; Zhou Lan's family

C．Zhou Lan; Annie's family

D．Annie; Zhou Lan小题2:How old is Dick?

A．17

B．18

C．19

D．20小题3:How many people are there in Annie's big family?

A．4

B．6

C．12

D．14小题4:Who will come to China?

A．Annie

B．Annie's family

C．Annie and her mother

D．Annie's parents小题5:Who teaches Annie Chinese? (   )

A．Zhou Lan.

B．Annie's parents

C．Annie's grandparents

D．Annie herself
查看答案
单项选择题 A1/A2型题

饮水中含有烷基苯磺酸钠（ABS）阴离子合成洗涤剂时，当地居民感觉水味不好可产生泡沫的浓度为（）。

A.0.1mg/L

B.0.2mg/L

C.0.5mg/L

D.1.0mg/L

E.10mg/L
查看答案