内容正文:
Unit 4 Topic 1
Section A
1. When was it invented? 它什么时候被发明出来的?
被动语态:be+ done + by
2. Why are you unhappy? 你为什么不高兴?
be (not)allowed to do sth (不)被允许做某事
3. play computer games 玩电脑游戏
4. last night 昨天晚上
5. It’s bad for your health if you spend too much time on them.
如果你花费太多的时间在他们上,这对你的健康不好。
spend…on… 花费…在…上
too much+不可数名词 太多……
6. show sth to sb = show sb sth 给某人展示某物
7. be made by 被…制作
be made of 由…制作 (能看出原材料)
be made from (不能看出原材料)
8. be used to do sth= be used for sth 被用来做。。。
9. some day 将来的某一天
one day 将来/过去
10. I hope your dream will come true.
我希望你的梦想将会成真。
one’s dream come true 实现某人的梦想
=realize/achieve one’s dream
=make one’s dream come true
11. 教 teach—taught (过去式)
12. lock the door 锁门
Section B
1. be widely used by 被广泛使用
2. more than 超过 less than 少于
3. what about… =how about… 。。。怎么样/好不好
4. be different from 与…不同
5. at that time 在那时
6. this kind of 这种
7. so that 因此
8. not only… but also… 不但。。。而且。。。
both…and… 两者都
neither…nor… 既不。。。也不。。。
either…or… 或者,或者
9. all over the world= throughout the world 全世界
Section C
1. invent(v.)发明—invention (n.)--inventor 发明家
2. come about 发生,产生,形成
3. solve a problem 解决问题
4. the result of… …的结果
5. None of these things was planted in fields.
这些东西都没有种在田里。
none of 没有
6. simple steps 简单的步骤
7. laugh at sb 嘲笑某人
8. make a detailed drawing 绘制详细的图纸
9. do more research 做更多的研究
10. Share your inventions with others. 和其他人分享你的发明。
share sth with sb 和某人分享某物
11. make a model 制作模型
12. make sth/sb +adj. 使某人/某事…样的
13. again and again 一次又一次
14. for example 例如
Section D
1. send satellites into space 发送卫星到太空
2. It is said that… 据说
3. explore 探索(v)--explorer (n)探索者
4. find 发现—found—found
5. Using the stars, they could find out where they were and in which direction they were going.
利用星星,他们能够找到他们在哪,以及他们将要去哪个方位。
find out 找出 四面八方 in all directions
宾语从句
过去进行时:was/were+ doing
6. as long as 只要 as soon as 一…就…
7. the rest of 剩余的
8. The problem has been solved by the GPS.
这个问题已经被GPS解决。
现在完成时:have/has+ done
被动语态:be+ d