高中英语 Unit 3 Tomorrow’s World words expr

Unit 3 Tomorrow’s World words
expressions
【语境展示】
1. The strongroom is as secure as we can make it.
我们的保险库建造得十分安全。

2. At last they were able to feel secure about the future.
他们终于觉得不必为将来担忧了。

3. Our victory is secure.
我们胜券在握。

4. She is said to have got a secure job in a big company.
据说她在一家大公司得到一份稳定的工作。

5. A climber needs secure footholds.
攀登的人脚踩的地方要很牢固。

6. They’ve secured government backing for the project.
他们得到政府对该计划的支持。

7. The man secured the ladder with ropes.
那个人用绳子把梯子捆好。

8. The sandbags secured the town during the flood.
沙袋使该镇免受水灾。

【归纳】
1. 根据例句1-5 可知，secure 可作形容词，意为“安全的；安心的；有把握的；稳固的；牢固的”。

2. 根据例句6-8可知，secure还可作动词，意为“获得；使牢靠；使安全”。

【即学即用】汉译英。

1. 那个小男孩在父母身边感到安心。

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2. 把所有门窗关好再出门。

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add to
【语境展示】
1. Fireworks added to the attraction of the festival night.
焰火使节日的夜晚更加生色。

2. His remarks add to the proof that she is innocent.
他的话进一步证明她是无辜的。

3. The old house has been added to from time to time.
这幢老房子一次又一次地在扩建。

【归纳】
根据以上例句可知，add to意为“使增加，使增强，使扩大”。

【拓展】
1. add up意为“把……加起来”。

如：
It is strange that the waiter can’t add up.
很奇怪，这个服务员不会算账。

2. add up to意为“总共有”。

如：
The words we have learned so far add up to about 3,500.
到目前为止，我们学过的单词总计大约有三千五百个。

【即学即用】用add to，add up 或add up to的适当形式补全下列句子。

1. _____ these figures and you will know the result of the competition.
2. The bad weather _____ our difficulties, but we managed to top the hill.
3. Do you believe that Lincoln ’s education _____ no more than one year? function
【语境展示】
1. The school dining room can function as a meeting place for teachers and students. 学校的餐厅可作为老师和学生的聚会场所。

2. The machine won’t function well if you don’t oil it.
你若不给机器加油，它就不能很好地运转。

3. The main function of kidneys is to remove waste products from the blood.
肾脏的主要功能就是把废物从血液中排除掉。

4. The function of a chairman at a meeting is to lead and control the meeting. 在会上，主席的职责是引导并控制会议。

【归纳】
1. 根据例句1、2 可知，function 可作动词，意为“起作用；运转”。

常用搭配：function as ... 意为“起……作用；具有……功能”。

2. 根据例句3、4 可知，function 还可作名词，意为“作用，功能；职责”。

【即学即用】汉译英。

1. 客厅里的沙发在夜里可以当床用。

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2. 桥梁起到提供水上通路的作用。

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Key：
secure
1. The little boy felt secure near his parents.
2. Secure all the doors and windows before leaving.
add to
1. Add up
2. added to
3. added up to
function
1. The sofa in the living room functions as a bed at night.
2. Bridges perform the function of providing access across water.。