--Why can’t you and Sarah go to the movies tonight -- We are () mathematics test tomorrow and I must prepare for it.

A requirement is simplya statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called _( )_.

—Do the dishes,Mike,or I will tell mum!

—Do you learn Russian or French?—I learn _____.

—Do you learn Russian or French?—I learn ______.

I（）finish my homework now. I can do it at the weekend.

’--Must I do the housework now?--No, youdo the shopping first

In the case of any actual or apprehended loss or damage the carrier and receiver must（）all reasonable facilities to each other for inspecting and tallying the goods.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

Practice 1　　阅读下面的对话，根据其内容写一篇有关Robinson夫妇的周末的记叙文。　　要求：　　1. 所写短文应与对话相关内容意义相符，涵盖其要点；　　2. 用你自己的语言表达，可改写对话中的句子，但不可照抄原句。　　注意：　　1. 词数80词左右，开头已为你写好；　　2. 请将短文直接写在答题卡上。　　Lisa: Excuse me, could I ask you some questions?　　Robinson: Of course.　　Lisa: I work for an advertising agency, and I’m doing some research. It’s for a new magazine for people like you.　　Robinson: People like me? What do you mean?　　Lisa: Well, people between 25 and 35 years old.　　Robinson: OK.　　Lisa: Right. Em, what do you do at the weekend?　　Robinson: Well, on Fridays my wife always goes to her exercise class. Then she visits friends.　　Lisa: Don’t you go out?　　Robinson: Not on Fridays. I never go out on Fridays. I stay at home and watch television.　　Lisa: And on Saturdays?　　Robinson: On Saturdays, my wife and I always go sailing together.　　Lisa: Really?　　Robinson: Em, we love it. We never miss it. And then in the evening we go out.　　Lisa: Where to?　　Robinson: Different places. We sometimes go and see friends. We sometimes go to the cinema or a restaurant. But we always go out on Saturday evenings.　　Lisa: I see. And now on Sunday, what happens on Sundays?　　Robinson: Nothing special. We often go for a walk, and 1 always cook a big Sunday lunch.　　Lisa: Oh! How often do you do the cooking?　　Robinson: Em, twice a week, three times a week.　　Lisa: Thank you very much. All I need now are your personal details: your name, your job, and so on. What’s your surname?　　Robinson: Robinson.　　Mr. Robinson never goes out on Fridays.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。