If sleep mode goes wrong，what will probably happen to your computer、

试卷相关题目

• 1It can be learned from the last two paragraphs that cloud whitening ________.

  A.helps us learn more about global warming

  B.means cutting CO2 emissions

  C.is the best way to deal with climate change

  D.can’t stop global warming basically

  开始考试点击查看答案
• 2Compared to other projects, cloud whitening ________.

  A.has a greater effect on volcanoes

  B.will bring more benefits

  C.will benefit man’s health most

  D.can reduce temperatures in a better way

  开始考试点击查看答案
• 3The fourth paragraph mainly tells us ________.

  A.ways to deal with climate change

  B.the costs to deal with climate change

  C.cloud whitening costs much less than other projects

  D.leading nations waste much money in cutting CO2 emissions

  开始考试点击查看答案
• 4“Marine cloud whitening” has an effect on global warming by ________.

  A.cutting sunlight

  B.sending cold air into space

  C.cooling water in the air

  D.cooling air with water

  开始考试点击查看答案
• 5Finger-prints have often been used as a method of solving criminal cases because it ________.

  A.is complicated but reliable

  B.is simple and not expensive

  C.is expensive but easy to do

  D.can bring a lot of money

  开始考试点击查看答案
• 6Which of the following is NOT mentioned in the text that contributes to the different amount of energy a computer consumes、

  A.Whether it is a laptop or a desktop computer.

  B.What kind of work the computer is dealing with.

  C.The choice of how you use your computer.

  D.Whether the operating systems are new.

  开始考试点击查看答案
• 7When does a computer consume the most energy、

  A.When we let it remain idle.

  B.When we use it to do complex calculations.

  C.When we use it to type some documents and e-mail.

  D.When we use it for surfing the Internet.

  开始考试点击查看答案
• 8The reason why a desktop computer uses more energy than a laptop computer is that________.

  A.a desktop computer’s monitor is separate and often larger

  B.a desktop computer is larger than a laptop computer in size

  C.a desktop computer performs more kinds of work than a laptop computer

  D.a desktop computer is not energy-efficient

  开始考试点击查看答案
• 9Which of the following is implied in the first two paragraphs、

  A.Frequent starting and stopping can damage a computer.

  B.A computer’s longevity depends more on the proper way you use it.

  C.A virus picked up from the Internet is likely to damage a computer.

  D.The more often you use a computer，the more smoothly it works.

  开始考试点击查看答案
• 10According to the passage, the credit card makes its owner  ________.

  A.withdraw as much money from the bank as he wishes

  B.obtain more convenient services than other people do

  C.enjoy greater trust from the storekeeper

  D.cash money where he wishes to

  开始考试点击查看答案