问题 选择题

在探究“湿度对鼠妇生活的影响”的实验中,为了控制变量要设置对照,下列哪组对照是合理的           (    )

A.潮湿与黑暗

B.潮湿与干燥

C.高温与明亮

D.明亮与黑暗

答案

答案:B

题目分析:设置对照实验时,要根据所要探究的条件,要设置以探究的条件为惟一变量的对照组.本探究实验所要探究的是“湿度对鼠妇生活的影响”,所以要探究的条件为湿度,就要设置以湿度为惟一变量的对照组.四个选项中A选项的变量是两个变量水和光,C选项的变量是两个变量温度和光,D选项的变量是光,只B选项的变量是湿度,符合要求.故B正确.

单项选择题 A3型题
阅读理解

第三部分:阅读理解(共两节,满分40分)

第一节 选择题(共17小题;每小题2分,满分34分)

阅读下列短文,然后从各题所给的四个选项(A、B、C、D)中,选出最佳选项, 并在答题卡上将该项涂黑。

2. 26-meter-tall Yao Ming made his NBA debut (初次登台) on October 23, 2002 and got 6 points for the Houston Rockets in the game. The next day, he got 13 points in another game.

Most people think that Yao Ming is a born basketball player. But Yao said, “When you watch it on TV, it looks very easy. But when you are playing in the NBA, it is really not so easy. ” He said that joining the Houston Rockets was a new start and a new challenge. “I hope that through very hard work I can make everyone happy and help the Rockets win more games,” he said

Yao Ming speaks some English. Both he and his teammates can understand each other. They don't think there is a language problem. While Yao Ming faces this new challenge,  the people of Houston have shown great interest in him and they hope Yao Ming will bring new energy (活力) to the Rockets. The team has started having lessons to learn more about China, and many people who work for the Rockets have learned to speak some Chinese.

1. Yao Ming got 13 points on October _____, 2002.

A. 22            B. 23              C. 24            D. 26

2. Yao Ming said that _____.

A. playing in the NBA was difficult      B. it’s hard watching NBA games on TV

C. he was not an NBA star at all   D. it was rather boring to play basketball

3. From the passage we can know that Yao Ming ________.

A. will work hard for his team     

B. made the highest score in his first NBA game

C. can't understand his teammates  

D. teaches the Rockets workers Chinese himself

4. The passage is probably ______.

A. an ad          B. a notice          C. a news report         D. a diary