Unit 4
GRAPHIC ORGANIZER P.85
1. by accident 2. be broken down easily
3. sea creatures 4. were banned
5. cut down on
AFTER YOU READ P.86
I. B
II.
1. B 2. B
Let’s Talk! 參考答案 P. 86
Do you know any other things that people do to reduce plastic waste?
I’ve heard on the TV news that McDonald’s in Taiwan has stopped providing plastic straws in its stores and now uses cup lids that people can drink directly from. I think this is a great decision, and other companies should do the same.
Word Smart P. 92
incorrect
inexperienced
GRAMMAR P. 93
Grammar 1
△標示出兩個句子的不同處。
1. Carol is wondering when she must finish the work.
Carol is wondering when to finish the work.
2. The man asked the clerk where he could find the Tshirt.
The man asked the clerk where to find the Tshirt.
3. Keith has decided what he will eat in Chiayi.
Keith has decided what to eat in Chiayi.
△找出兩句課文中使用到此句型的句子:
1. I didn’t know what to do, so I began to cry.
2. At this point, you may be wondering how to cut down on your daily plastic waste.
Let’s Try! P. 94
1-A
1. The little boy didn’t know how to find his way home.
2. We haven’t decided where to go for our summer vacation.
3. Diana is considering what to buy for her father as a birthday gift.
4. Thomas doesn’t know what to wear to a wedding this Sunday.
5. Let’s show the girls how to take a deep breath and relax the whole body.
1-B
2. what to do or eat
3. where to refill it
4. when to leave for the airport
5. what to bring back for my family
Grammar 2 P. 96
△根據句子,用紅、黃與藍筆圈出圖中正在做這些事的人。
△找出兩句課文中使用到此句型的句子:
1. Some sea creatures are forced to live among it. Others may mistake it for food and eat it....
2. Some changes may not be so easy to notice. Others may influence our way of life. Still others may be greatly helpful in saving our environment.
Let’s Try! P. 98
2-A
1. Some (students) are eating snacks. Others / Other students are doing the homework. Still others / other students are chatting.
2. Some are novels. Others are magazines. Still others are comic books.
3. Some (products) come from Japan. Others / Other products come from the United States. Still others / other products come from Italy.
4. Some (people) like classical music. Others / Other people like jazz. Still others / other people like pop music.
5. Some (friends) like sports programs. Others / Other friends like talk shows. Still others / other friends like soap operas.
2-B
1. Others; Still; others
2. Some; Others; Still; others
3. Some are swimming. Others are playing volleyball. Still others are taking a sunbath.
4. Some are blue. Others are red. Still others are green.
DO IT YOURSELF P. 103
I.
1. painful 2. floating 3. creature
4. reduced 5. annoyed
II.
1. ended up
2. by accident
3. threw up
4. broken down
5. cut down on
III.
1. C 2. A 3. B 4. B 5. C
IV.
1. D 2. B 3. reduction
V.
1. wondered; disaster 2. making; efforts
3. where; urgent 4. environment; pollution
5. swallowed; breathe
VI.
1. The couple has decided what to eat and (what to) buy in Tainan.
2. Some (people) bring their own shopping bags. Others / Other people use paper straws. Still others / other people use their own cups.


