四、完形填空。
The internet has changed our life in many ways. It helps people to do different kinds of work. For example, farmers in need can learn 1 experience online. They can also sell their products on the internet and get 2 from customers. This helps them improve their service.
In the future, computers will become much 3 but more powerful. People will work 4 hours because the internet can do many tasks for them. 5 will be much cheaper, and booking tickets will be easier. More and more people will use e-payment 6 cash.
However, when we enjoy the convenience, we should also be careful, especially when using public computers. Here are some 7 for you. First, don’t save your password. If the computer asks you to save it, click “No”. If you do it by 8, cancel it at once. Second, when you step away from the computer, make sure to 9 all windows. Don’t leave any personal information on the screen. Third, stay watchful. If someone tries to look over your shoulders, keep a safe 10 from them.
()1. A. farmer B. farmers C. farmers’ D. farmer’s
()2. A. opinions B. suggestion C. advices D. idea
()3. A. small B. smaller C. smallest D. the smallest
()4. A. few B. fewer C. little D. less
()5. A. Travel B. Traveling C. Traveled D. To travel
()6. A. instead B. instead of C. take place D. replace
()7. A. tips B. tip C. advise D. suggestion
()8. A. wrong B. mistake C. error D. fault
()9. A. close B. open C. clean D. check
()10. A. distant B. distance C. far D. long

1. C 2. A 3. B 4. B 5. B 6. B 7. A 8. B 9. A 10. B