问题 填空题
函数y=
x+4
+
1-x
x
的定义域为 ______.
答案

要使函数有意义,需要

x+4≥0
1-x≥0
x≠0

解得-4≤x≤1,x≠0

故答案为[-4,0)∪(0,1]

阅读理解

阅读理解。

     If you go to London, you will see a lot of buses and cars on the road. You'll also see lots of bikes

because more and more people travel by bike. There are a lot of reasons for this. First, (1) a, expensive

,is , bike , buy , to, not, it and it is quick, too. You often have to wait for a bus for half an hour. After you

get on the bus, (2) there are so many other buses and cars on the road that the bus moves very slowly.

     I traveled to work by bus for about four years. I often arrived at work late and tired. Then one day,

about two years ago,(3) a friend of mine said,"l go to work by bike every day. Please come and join me. " " But my bike is old, and there are so many buses and cars on the road. I'll feel frightened," I answered. " You needn't feel afraid. If you follow me and we ride slowly, you will be fine, " he said.

     The next day I bought a new bike. (4) Although we went slowly, we arrived at work soon. It took 40 minutes to go by bus, but only half an hour by bike.

    Now I like riding a bike to work. I arrive at work quickly and I've saved a little money, and what's

more, I feel healthy. Many people think my idea is good and(5)将来你在路上可能会看到更多的自行车.

1.将画线部分(1)连词成句。

                                                                               

2.仿照(2)处画线句子结构,试用“so….that”造句。

                                                                               

3.将画线部分(3)处句子改为间接引语。

                                                                               

4.根据画线部分(4)完成下面句子,使两句意思相近。

   Although we went by bike slowly, we arrived at work                                 than by bus.

5.将画线部分(5)处翻译成英文。

                                                                               

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