Chinese officials are taking high-tech action against high-tech cheaters on the national college entrance test. In recent years, some students have used hidden electronic devices to communicate during the test. In an effort to stop them, administrators in one city took an unusual step. They used a drone(无人驾驶飞机). The drone flew over two testing centers in Luoyang City in central China's Henan province. The drone was looking for unusual signals being sent to wireless devices.

Mr Lan is an official from Luoyang. He said the drone cost hundreds of thousands of yuan. He said the drone was as big as a pump (泵)at a gasoline station. Officials said that a large number of electronic signals over a testing center could mean that students were cheating by sending electronic messages during the exam.

Nine million students will take the college entrance exam. The test is known in China as the gaokao. This important test can greatly affect a young person's future. The test results are used to decide which kind of university a student can attend. Those with the highest scores have the best chance for getting into a key university.

Students spend months studying intensely, in order to get the highest possible score. Students who do not pass the exam usually have two choices. They can repeat a year of school and retake the test, or try to find a factory job.

Cheating is common because of the high risk and high pressure connected to the exam. Local media have reported on the problem of "surrogate" test-taking. A surrogate is someone who does another person's work. Talented students from poor families can earn large amounts of money taking the college entrance exam for students who can pay. More recently, students have been using wireless devices to get answers during the test.

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1.What is the purpose for using drone in Luoyang city?

A To take an unusual test.

B To fly between two testing centers.

C To hide the electronic devices.

D To stop students from cheating.

解析：选D。D。推理判断题。从文章可知，本次使用无人机是为了防止考生作弊。

2.The underlined sentence in paragraph 2 infers that sending electronic messages__________.

A will increase the number of signals

B will cheat the students

C will reduce the number of signals

D will cheat the testing centers

解析：选A。A。句子理解题。政府官员说，如果在考场上空有大量电波，就说明有可能有考生作弊，由此可推知，用无线电传播答案会造成无线电波信号的增加。

3.Why do some of the students cheat in their gaokao?

A Because they want to enter a key university.

B Because they want to take the college entrance exam.

C Because the test results may affect their future.

D Because they don’t want to work in a factory.

解析：选C。C。推理判断题。高考成绩对每一个考生来说都很重要，所以有的考生挺而走险，用作弊来提高自己的成绩。

4.The underlined word “surrogate” in the last paragraph means___________.

A 代理

B 代表

C 代考

D 代替

解析：选C。C。词义猜测题。文章中该词后的定语从句是对该词的解释。

5.Why do some of the talented students surrogate?

A They want to help the students.

B They want to earn money.

C They want to work for the poor family.

D They want to risk taking a test.

解析：选B。B。细节理解题。由最后1段可知，有部分家庭贫困的优秀学生为了钱而去替考。