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Now lots of teenagers like smoking. It's a big problem. Some of them smoke, just for fun and some think smoking looks cool. Others smoke because there are many people around them that smoke. As we all know, smoking is harmful, especially to students. Some teenagers even steal money so that they can buy cigarettes. Besides, smoking does harm to brains and it can influence studies. Finally, it is bad for health because it can cause diseases. Therefore(因此), we should protect ourselves from smoking. First, we should learn more about the danger of smoking. Second, we should keep away from people who smoke. 小题1:Now some teenagers like smoking because_________. A. smoking is good for them B. their parents want them to do so C. they think it is fun 小题2:From the passage, we know some teenagers steal money in order to _______. A. buy cigarettes   B. buy books    C. play games 小题3:Smoking is harmful to_________ . A. brains              B. legs        C. eyes 小题4:Which of the following sentences is NOT true? A. Smoking can cause diseases. B. Smoking can influence studies. C. We shouldn't keep away from people who smoke. 小题5:The writer of the passage wants teenagers________. A. to smoke           B. not to smoke       C. not to keep away from smoking
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参考答案:
举一反三
【单选题】我们信号灯显示为为安全侧故障的是( )
A.
红灯
B.
绿灯
C.
黄灯
D.
蓝灯
【单选题】锁定对象位置的快捷键是()。
A.
Ctrl+C
B.
Ctrl+V
C.
Ctrl+G
D.
Ctrl+L
【简答题】沉积岩按成因和物质成分分为______、______、______、______。
【简答题】沉积岩的颜色按照成因可分为()、()和()。
【判断题】根据岩石成因可将组成地壳的岩石分为岩浆岩、沉积岩、变质岩。
A.
正确
B.
错误
【判断题】电液调节系统的转速回路是无差调节系统而一次调频回路是有差调节系统。(    )
A.
正确
B.
错误
【单选题】关于一次调频和二次调频,下列说法正确的是()
A.
一次调频一定是有差调节,二次调频一定是无差调节
B.
一次调频一定是有差调节,二次调频可能是无差调节
C.
一次调频可能是无差调节,二次调频一定是无差调节
D.
一次调频可能是无差调节,二次调频也可能是无差调节
【判断题】电液调节系统的一次调频回路是无差调节系统。(    )
A.
正确
B.
错误
【多选题】岩石按照成因分()等类型。
A.
岩浆岩
B.
沉积岩
C.
变质岩
D.
花岗岩
【判断题】电液调节系统的一次调频回路是无差调节系统。
A.
正确
B.
错误
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