Unit 4

P. 81 

GRAPHIC ORGANIZER

1. by accident   2. be broken down easily

3. sea creatures 4. were banned

5. cut down on

 P. 82

AFTER YOU READ

I. B

II.

1. B 2. B

P. 88

Word Smart

incorrect

inexperienced

P. 89 

GRAMMAR

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 and cried.

2. Are you wondering how to cut down on your daily plastic waste?

 P. 90

Let’s Try!

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 my water bottle

4. when to leave for the airport

5. what to bring back for my family

 P. 92

Grammar 2

△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 live with the waste. Others mistake it for food. Still others are harmed by it.

2. Some changes may not be noticed. Others may influence our way of life. Still others may have a powerful effect on the environment. 

P. 94 

Let’s Try!

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.

 P. 98

DO IT YOURSELF

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. wondered; disaster

2. making; efforts

3. where; urgent

4. environment; pollution

5. swallowed; breathe

V.

1. The scientist is wondering where to find this special creature.

2. The couple has decided what to eat and what to buy in Tainan.

3. Some (people) bring their own shopping bags. Others/Other people use paper straws. Still others/other people use their own cups.

4. Some (people) are playing the guitar. Others/Other people are playing the piano. Still others/other people are playing the drums.

5. Hundreds of people died in this disaster.