Unit 6 When was it invented Section B (1a-1e)考点聚焦+拓展延伸+能力提升

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Unit 6 When was it invented
Period 4 Section B (1a-1e)
I.考点聚焦
Potato chips were invented by mistake .
考点1 思维导图：mistake : learn from mistakes /by mistake /mistake sb for sb /make a mistake
好的学习者不害怕犯错。
Good learners are not afraid of _______________ .
成功的关键在于从错误中学习，并且永不放弃。
The key to success is to _______________and never give up .
The girl returned my umbrella today . She took it yesterday ________ .
by mistake B. at present C. by accident D. in general
II. 拓展延伸
一、用所给词的适当形式填空
1. The fish is not s________ . You should add some salt .
2. The waiters should offer good service to the c_________ .
3. My brother likes eating _______(曲奇饼）.
4. He always likes eating _________(脆的）biscuits .
5. These oranges taste really ________(酸的）
二、根据汉语提示完成句子。
6. 我拿错了玛丽的钢笔。
I took Mary’s pen _________ __________ .
那个汤不够咸。
The soup is not ________ ________ .
雨天让人不开心。
Rainy days _________ _________ ________ .
我们孩子在天黑前赶到了那个村子。
We arrived at the village ________ ________ ______before it was dark .
这幅画是由一个名叫鲍勃的人画的。
The picture was drawn _______ a man _______Bob .
III. 能力提升
短文填空
阅读短文，在空白处填入一个适当的词，或填入括号中所给词的适当形式。
A high-tech zebra crossing with flashing lights and audio warning (语音提示）11. _______(put) into use for the 12. _______(one) time in Bishan district , Chongqing a few months ago . It can also take pictures of the people who are against the traffic 13. _______(rule) in the area .
At a busy road in front of a gate of Bishan Middle School , the crosswalk is installed （安装） 14. ______(keep) the students safe when they cross the road after school .
The zebra crossing area has light strips .l When people cross the street , they flash to “tell” 15. _______(drive) to slow down and wait for people to go across the street . At the same time , display screens (显示屏）on either side of the crosswalk tell people to only cross the street when the light 16. _______(be) green .
Jiang Fei , a traffic 17. ________(office ) in Bishan , said that the lighting system was very useful in the evenings and on 18_______(rain) and foggy days .
Rong Sheng from the school’s safety department said , “In the past , our school safety guards 19. _______ (have) to stand in the middle of the road after school to stop the cars .”
Now the students feel 20. ________(safe ) than before after the installation of the smart crosswalk .
参考答案
考点聚焦
making mistakes 2. learn from mistakes 3. A
拓展延伸
一、1.salty 2. customers 3. cookies 4. crispy 5. sour
二、6. by mistake 7. salty enough 8. make people unhappy (sad ) 9. in the end 10. by ; called
III能力提升
三、11. was put 12. first 13. rules 14. to keep 15. drivers 16. is 17. officer 18. rainy 19. had 20. safer
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