内容正文:
课时跟踪检测(八)
Ⅰ.单词拼写
1.Our ability to absorb (吸收) and retain knowledge may just be unlimited.
2.Hackers are said to have started a computer virus(病毒).
3.The article can be used to stimulate(激发) discussion among students.
4.South Asia continues to be the most dynamic(充满活力的) economic region in the world.
5.He refreshed(使凉爽) himself with a cool shower.
6.Climbing so high made me feel dizzy(头晕目眩的).
Ⅱ.选词填空
within one's power; take control of; feel like; do damage to;worn out; stress out
1.Women are more likely to suffer from depression and stress_out than men.
2.The storm didn't do_damage_to crops.
3.Can we sit down? I'm worn_out.
4.You will do everything within_your_power to try and resolve the situation.
5.While you can't change that, you can take_control_of how you handle these situations.
6.“I feel_like I just won the lotto (彩票),” he says.
Ⅰ.阅读理解
Millions of people are using mobile phones today. In many places it is actually considered unusual not to use one. In many countries, mobile phones are very popular with young people. They find that the phones are more than a means of communication—having a mobile phone shows that they are cool and connected.
The explosions around the world in mobile phone use make some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health.
On the other hand, why do some medical studies show changes in the brain cells of some people who use mobile phones?Signs of change in the issues of the brain and head can be detected with modern scanning equipment. In one case, a travelling salesman had to retire at a young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man