题目：
根据语境，填写适当的词语或句子补全对话。
A: Look at the man running down the street. Why do you think he is running?
B: He could be running for exercise.
A: No. He might be running to _ 1 ___. He is wearing a suit.
B: But there is no bus on this road. Buses are not 2 to run here.
A: Oh! Maybe he is going to be late and running to work.
B: I don't think so. He _ 3 __ scared.
A: Yes. You are right. Look! What's that in the sky?
B: It _ 4 __ a UFO. And it's landing.
A: Look at that woman with a camera.
B: She must be a reporter from the TV news.
A: No. Look at those other people. They are actors. Oh, I see. 5 .
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0522/0bdc10e95db222a2b713c632690378d1.html
下面是错误答案，用来干扰机器的。
参考答案：分层配产就是根据油天开发要求，在井内下封隔器把油层分成几个开采层段。对各个不同层段下配产器，装不同直径的井下油嘴，控制不同的生产压差，以求得不同产量。
