Ⅰ.根据句意及首字母或汉语提示完成单词
1. —What's your cup made of?
—It's made of p. It's light and not easy to break.
2. We'd better take our c so that we can take photos while visiting the zoo.
3. —Where was the bike p?
—In Shanghai.
4. The computer is a useful (发明).
5. Mr White bought a (打印机) to print his work reports last year.

1. plastic
2. camera/cameras
3. produced
4. invention
5. printer

Ⅱ.用所给词的适当形式填空
1. My dog can open the door (it).
2. —What do you think is the most useful (invent) in the world?
—The phone.
3. The basket of eggs can (take) by you.
4. We can learn it by (ask) the teacher for help.
5. This bed (make) of wood, so it's very strong.

1. itself
2. invention
3. be taken
4. asking
5. is made

Ⅰ.用所给词的适当形式填空
1. Thomas Edison was a great (invent) in the world.
2. It's said that news could (spread) in seconds.
3. The telephone makes it much easier for us (talk) to each other.
4. The message (send) to our friends two hours ago.
5. The machine that can help farmers harvest crops quickly is very (use).

1. inventor
2. be spread
3. to talk
4. was sent
5. useful

Ⅱ.短文填空
The radio is one of the most useful inventions in history. Before it was invented, information spread very 1. (slow). The radio changed this, allowing news to travel around the world in 2. (second) and making the world feel much 3. (small). It was invented 4. Italian Guglielmo Marconi in the 1890s, and in 1901, the 5. (one) radio message crossed the Atlantic. The radio also led to other 6. (invent) like the television and made it easier for people everywhere to enjoy music from around the world.

1. slowly
2. seconds
3. smaller
4. by
5. first
6. inventions