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【简答题】
As we know, it is common for people to catch a cold in winter and most people believe they know the reason for colds. However, scientists say people have some wrong beliefs about the cause of colds. Many people think that once you get infected by colds, you will not be easy to be attacked by colds for the rest of your life. That’s not the case. There are about 200 different viruses that cause the common cold. You catch a cold because of one kind of them this time, but you might catch a cold next time because of another. Others believe that people get sick just because of the cold weather in winter. That is also wrong. It’s because people tend to stay closer in winter and the cold virus is transmitted from one person to another through handshakes, sneezing, or coughing. While there is no actual cure for the common cold, scientists say there are still a few things you can do to help you. Some experts say honey and chicken soup are effective against colds. Especially honey. There is increasing evidence that it helps shorten the duration of the common cold sometimes even by two to three days particularly in children. Chicken soup also helps reduce the duration of the cold. In addition, if you do have a cold and you don’t feel like eating anything, it’s not going to hurt you but you have to drink a lot and you can drink water or tea because doctors say the water cycle in your bodies helps to cure colds. That’s very important. Though there is more than one way to deal with colds, doctors say the best advice is to continue using whatever works best for you.
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参考答案:
举一反三
【判断题】单模光纤与多模光纤相比单模光纤传输距离较远。
A.
正确
B.
错误
【判断题】同一样的调料,不同厨师做出的味道会有所不一。()
A.
正确
B.
错误
【单选题】经营者向消费者提供的商品质次价高、短斤少两,侵害了消费者的()。
A.
安全权
B.
知情权
C.
公平交易权
D.
自主选择权
【判断题】单模光纤与多模光纤相比,单模光纤传输距离较远。
A.
正确
B.
错误
【简答题】安全气囊的传感器主要有碰撞传感器和 两大类。
【单选题】互联网最基本的功能是( ),它是发挥其它社会功能的前提。
A.
上网
B.
聊天
C.
信息传播
D.
社交
【单选题】白巧克力成白色,是因为不含下列哪种成分?
A.
可可液
B.
可可粉
C.
可可脂
D.
可可碱
【判断题】引用在初始化后还可以再重新声明为另一变量的别名。
A.
正确
B.
错误
【多选题】打造“双师型”的教师队伍应该( )
A.
要求教师定期到企业学习和培训,增强实践能力
B.
积极聘请行业、企业和社会中有丰富实践经验的专家或专业技术人员作为兼职教师
C.
运用现代教育理念,改进教学方法,重视现场教学和案例教学。
D.
努力考取各种证书。
【单选题】单模光纤与多模光纤比较
A.
单模光纤的传输距离远
B.
多模光纤的性能优于单模光纤
C.
多模光纤比单模光纤细
D.
单模光纤的整传输性能差
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