![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
A.admitB.awareC.acknowledgeD.argue
A.admit
B.aware
C.acknowledge
D.argue
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_q_ckda.png)
A.admit
B.aware
C.acknowledge
D.argue
[A] connection
[B] principle
[C] method
[D] circumstance
[A] Because small children are more curious about cigarettes.
[B] Because smoking is difficult to give up for children.
[C] Because the early age is the time to form. values.
[D] Because children's health is more venerable to the hurt of cigarette.
[A] 11 percent of boys in America smoke before their fourth grade.
[B] Nicotine is a part of cigarette.
[C] Children form. values in the fourth grade.
[D] Parents who cannot stop smoking should force their children to stay away from it.
17. Why does the speaker say that radiation is similar to radio waves?
[A] Because both of them can be detected by human senses.
[B] Because both of them can be sensed by a radio receiver.
[C] Because both of them are harmful.
[D] Because both of them can only be detected by devices.
[A] Because people expose too much to the computer.
[B] Because people don't care about the low levels of radiation.
[C] Because the cells are killed by radiation.
[D] Because the cells produce themselves in an unusual way.
[A] Whether or not to have a nucleus is important in biology.
[B ] The speaker will tell us how to distinguish bacteria tomorrow.
[ C] Evolution will be the main topic of the program next time.
[ D] Eukaryotes develop from prokaryotes.
[A] Restaurants and hotels.
[B] Manufacturing.
[C] Health care and hospitals.
[D] Business services.
14. What happened to the U. S. job market?
[A] There was a huge increase in new jobs lately.
[B ] About 75,000 new jobs were created last month.
[C] Some 300,000 new workers were employed last year.
[D] There was a growth of new jobs in the past six years.
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!