Lesson 7 Too late
1、 detective n. 侦探，警探
detect v. 查明，察觉
detection n. 察觉，发现，侦破（案件）
2、valuable a. 贵重的
value n. 价值，重要性 v. 尊重，重视，给……定价
3、keep guard 守卫
4、be full of = be filled with 装满，充满
5、a grain of sand 一粒沙子
a pile of sand 一堆沙子
6、 过去进行时，表示过去某时正在进行的情况或动作。
结构：was/were + 动词现在分词
例句：I was having breakfast when the telephone rang.
7、按要求回答问题，组成不超过50个单词的段落。
Detectives were waiting at the airport all morning. They were expecting a valuable parcel from South Africa. Two men took the parcel off the plane and carried it into the Customs House after the plane arrived. Two detectives opened it. The parcel was full of stones and sand.
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8、根据课文内容及知识点，试着自己写个小作文。
This text described that the detectives waited at airport all morning for a parcel of diamonds from South Africa because the plane was late. But they were surprised to find that the parcel was full of stones and sand when they opened it. Nobody knew that the diamonds had been stolen on the plane or it was only a kidding made by someone.
Let’s talk about the delay of a plane. Some time ago, we needn’t take security check when we go somewhere by subway or by railway. So it seemed to be trouble to go by air. We must go airport at least two hours before the plane take off, otherwise we will not catch the plane.
But the plane delay frequently, sometimes one or two hours late, sometimes taking off have to be change to next day and even be cancelled. These would not only waste of time but make lots of trouble to the following things
We usually loss our temper at this situation and maybe out of our mood when the assistants from the air companies showed bad appearance. It is easy to quarrel even battle with each other.
Hope the air companies improve their service, less flight delay and meanwhile the passengers can manage their temper.
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