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【简答题】
Most people want to be happy, but few know how to find happiness. Money and success alone do not bring lasting happiness. Aristotle, a Greek thinker, said, 'Happiness depends upon ourselves.' In other words, we make our own happiness. Here are a few suggestions to help you be happier. The first secret of happiness is to enjoy the simple things in life. Too often, we spend so much time thinking about the future, for example, getting into college or getting a good job -that we fail to enjoy the present. You should enjoy life's simple pleasures, such as reading a good book, listening to your favorite music, or spending time with close friends. People who have several close friends often live happier and healthier lives. Another secret to living a happy life is to be active, and have hobbies where you forget your problems and time. Many people experience this dancing, or playing a sport, such as swimming. You can forget about your problems, and only think about the activity. Finally, many people find happiness in helping others. Studies show that people feel good when they spend their time helping others. If you want to feel happier, do good things for someone. You can help a friend with his or her studies, go shopping to buy food for an elderly person, or simply help out around the house by washing the dishes. 小题1:The best title of the passage is . A.Money Makes You Happy B.The Secrets of Happiness C.Ideas for Helping Other People to Be Happy D.Good Friends Make You Happy 小题2:The second paragraph tells us that . A.the more friends you have, the happier you will be B.we shouldn't think about our future C.happiness is to enjoy the simple things in life D.some people fail to live a happy life 小题3:The passage gives us pieces of advice on happiness. A.one B.two C.three D.Four 小题4: The writer thinks that . A.everyone knows how to live a happier life B.it's wrong to spend time on work C.hobbies take up too much time D.doing good things for someone can make you happier 小题5: Which of the following is not mentioned in the passage? A.Reading a good book. B.Traveling to a foreign country. C.Playing a sport. D.Spending time with close friends.
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举一反三
【判断题】自2002年1月1日起,福利彩票机构发行销售福利彩票取得的收入不征收营业税,对福利彩票机构以外的代销单位销售福利彩票取得的手续费收入也免征营业税。(    )
A.
正确
B.
错误
【单选题】下面哪一个是广播地址?( )
A.
192.168.1.255/8
B.
192.168.1.255/16
C.
192.168.1.255/18
D.
192.168.1.255/24
【单选题】______ the price is, they are prepared to pay.
A.
However
B.
Whichever
C.
Whatever
D.
Wherever
【单选题】下面哪一个可以是源IP地址( )
A.
在这个网络上的这个主机
B.
受限广播地址
C.
环回地址
D.
在这个网络上的特定主机
【简答题】8的倍数有(    ),12的倍数有(    ),8和12的公倍数有(    ),8和12的最小公倍数是(    )。
【判断题】福利彩票机构发行销售福利彩票取得的收入不征收营业税;对福利彩票机构以外的代销单位销售福利彩票取得的手续费收入应征收营业税。
A.
正确
B.
错误
【多选题】下面哪两个问题是广播风暴导致的?
A.
在广播风暴期间, MAC 地址表不断变化,导致交换机无法准确地转发帧。
B.
网络中充斥广播流量,新到达交换机的流量被转发到广播域中,进一步蚕食可用带宽。
C.
在广播风暴期间,带高速接口的交换机将在半双工模式下转发流量,以节省可用带宽。
D.
由于广播风暴期间的高速处理需求,广播域中的终端无法相互通信。
E.
在广播风暴期间,交换机将收到的广播从每个端口转发出去。
【多选题】下面哪两项是IPv4单播、广播和组播通信的共同特征
A.
源地址总是单播地址
B.
只有一台主机接收数据包
C.
报头不会包含多个目的地址
D.
用于这些通信的地址数相同
E.
这些通信的用途相同
【单选题】断面面积为矩形的水槽充满水,矩形边长分别为2m,4m,该水槽过水断面的湿周是多少?( )
A.
2m
B.
4m
C.
8m
D.
12m
【单选题】断面面积为矩形的水槽充满水,矩形边长分别为2m,4m,该水槽过水断面的水力半径是多少?( )
A.
0.5m
B.
1m
C.
2m
D.
0.75m
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