VOA慢速英语:Chinese Officials Use Drone to Stop Cheating on Exam

短语讲解：

1. The drone was looking for unusual signals being sent to wireless devices.

look for 寻找
例句：I want Bill to look for Mr. Jones to talk.
我要比尔找琼斯先生谈一谈。

2. He said the drone cost hundreds of thousands of yuan, or tens of thousands of U.S. dollars.

hundreds of thousands of 几十万，无数
例句：The city subways carry hundreds of thousands of passengers a day.
市内的地下铁每天运载数十万乘客。

3. The test results are used to decide which kind of university a student can attend.

be used to 习惯于，适用于
例句：Petroleum can be used to produce various chemical products.
石油可用于生产多种化学产品。

4. Students spend months cramming, or studying intensely, in order to get the highest possible score.

in order to 为了
例句：In order to catch up with in time he run very fast.
为了及时赶到他跑得很快。

5. 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.

because of 因为
例句：Because of a squall the chase has to be called off.
由于风势太大，追捕只好作罢。