阅读短文,根据语篇要求填空,使短文通顺、意思完整。每空限填一词。
Do you usually look into the mirror several times a day? The mirror is 11. important invention. Today, mirrors are everywhere, from your room to your father's car. They are helpful 12. many ways. Do you know who invented it and when it was invented?
The first man-made mirror 13. made from the rock. Later, people used different metals like bronze (青铜) to make mirrors. The first modern glass mirror was invented by a German named Justus von Liebig in 1835. He used a silvering (镀银) technique 14. produce the glass mirror. Today aluminium (铝) is the main metal for mirrors.
Nowadays, mirrors come in different shapes and sizes. They are used for different reasons. It is said 15. breaking a mirror causes seven years of bad luck. So, look after your mirror well.

11. an 12. in 13. was 14. to 15. that

六、补全对话。
A: Hi, Frank! What do you think is the most useful invention?
B: 1. .
A: Why do you think so?
B: Because it gives us light so that we can have more time to work and play every day. What do you think is the most useful invention?
A: 2. .
B: Why do you think so?
A: Because we can use the telephone to talk to our friends far away. 3. ?
B: I'd like to invent a pen that I can write faster, but as neatly as the usual one. 4. ?
A: I'd like to invent a car. When I am in the classroom, I can put it in my pocket.
B: That sounds interesting. 5. .
A: You are quite right. Let's work hard together!

1. I think the most useful invention is the light bulb / ... 2. I think the most useful invention is the telephone / ... 3. What would you like to invent / ... 4. What about you / ... 5. We must work hard if we want to make our dreams come true / ...