安装工作指根据设计文件进行工程施工和安装,在所有准备工作就绪后,一般在()之内可开通系统。
A.4周
B.3周
C.5周
D.6周
参考答案:B
A bus stops at a small bus stop. A man is hungry and he wants to buy some cakes. It’s raining(下雨) hard, he doesn’t want to go out in the rain. He sees a boy. “Come here, boy!” he cries. “Do you know how much the cakes are?” The boy says yes. The man gives the boy four dollars(美元) and asks him to buy two cakes. “One is for you and one is for me.” Three minutes later, the boy comes back. He’s eating a cake. He gives the man two dollars and says: “Sorry, there is only one cake left.”
小题1:Where is the man?
A.He’s near the bus.
B.He is at home.
C.He’s in the bus.
D.He is in the car.小题2:The man doesn’t want to go out because__________.
A.he is tired
B.he doesn’t like rain
C.he is hungry
D.it’s raining hard小题3:How many cakes does the boy get?
A.One
B.Two
C.Three
D.Four小题4:How much are they if we buy five cakes?
A.five dollars
B.Four dollars
C.Ten dollars
D.Fifteen dollars小题5:What’s the result (结果)?
A.The man eats the cake.
B.The boy eats the cake.
C.The boy doesn’t eat the cake.
D.The boy and the man both eat the cakes.
请你画出你日常生活中最常见的一条食物链______在这条食物链中,______是生产者,______是消费者.(举一例说明)