Chọn đáp án: A

Giải thích:

refillable: có thể làm đầy lại được

Dịch: Họ dùng chai nhựa có thể tái làm đầy để giữ nước.

1. your/ plastic/ Reuse/ bags.

___Reuse plastic your bags_________

2. water bottles/ reusable/plastic ones/ instead of/ .

___Water bottles reusable instead of plastic of_____________

3. recycling/ in/ every/ Put/ bins/ classroom.

___Put in recycling bins every classroom_____________

4. pencils/ refillable/ pens/ Use/ and.

_Use refillable pens and pencils__.

Đáp án A

Sửa economic => economically
Dùng trạng từ để bổ nghĩa cho động từ “use”.
Giải nghĩa: economic (adj): thuộc về kinh tế
economically (adv): mang tính tiết kiệm (thời gian, tiền của)
Dịch: Người dân địa phương khuyến cáo nên sử dụng các thùng bao 1 cách tiết kiệm và tái sử dụng đồ thừa như bình thủy tinh, bìa các-tông thay vì gói thực phẩm bằng giấy nhựa.

a

d

c

Chọn đáp án: B

Giải thích:

câu điều kiện loại 1: “If + S V(s/es), S + will V”

Dịch: Chúng ta sẽ bảo vệ môi trường nếu chúng ta tái sử dụng chai nhựa.

1.We should use reusable water bottles ……………..of plastic ones

A. because B. instead C. despite D. however

2. Walking to school will help _______________air pollution

A. refill B. reuse            C. reduce          D. recycle

3. We should go to school by bike to ______________ energy.

A. save B. protect                 C. prevent              D. pollute

4.  One of the bad things about _____________ pollution is that it can make fish die.

A. noise B. air C. soil        D. water

5. We should find creative ways to reuse old items before ___________ them away.

A. breathing B. washing            C. hearing            D. throwing

6. The prefix “re” in the word “reuse” means _____________

A. again                               B. none            C. for            D. against

7. If we cut down more forests, there ___________ more floods.

A.are B.were C.have been D.will be

8. That is ___________ book I’ve ever read.

A.the borest B.the most boring C.the boring D.the most bored

9. A robot can do ___________ different things from looking after a baby to building a house.

A.much B.many C.few D.little

10. It’s getting light. Shall I turn ___________ the light to save electricity?

A.off B.on C.up D.in 

1.B

2.C

3. A

4.D

17 C

18 B

C

B

Mark the letter A, B, c, or D to indicate the most suitable response to complete each of the following exchanges.
17. Jim: “What about collecting used paper, bottles and plastic bags every day?’"
Ha and Mai: “_______”
A. Because they can pollute the environment.
B. How come? Who can do that?
C. That's a very good idea. Let's do that.
D. What about this weekend?
18. Phuong: “I'm taking my TOEFL test tomorrow.”
Daisy: “_______”
A. Good fortune.
B. Good luck.
C. Good outcome.
D. Good success.
Mark the letter A, B, c, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
19. Don't worry, you can count on me. I’ll try my best to help you.
A. look after
B. live on
C. rely on
D. stand for
20. We had a discussion in class today about requiring students to wear, school uniforms.
A. ban
B. arrangement
C. reduction
D. debate

Mark the letter A, B, c, or D to indicate the most suitable response to complete each of the following exchanges.
17. Jim: “What about collecting used paper, bottles and plastic bags every day?’"
Ha and Mai: “_______”
A. Because they can pollute the environment.
B. How come? Who can do that?
C. That's a very good idea. Let's do that.
D. What about this weekend?
18. Phuong: “I'm taking my TOEFL test tomorrow.”
Daisy: “_______”
A. Good fortune.
B. Good luck.
C. Good outcome.
D. Good success.
Mark the letter A, B, c, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
19. Don't worry, you can count on me. I’ll try my best to help you.
A. look after
B. live on
C. rely on
D. stand for
20. We had a discussion in class today about requiring students to wear, school uniforms.
A. ban
B. arrangement
C. reduction
D. debate

Đáp án: A

Giải thích: câu điều kiện loại 1: “If + S V(s/es), S will V”

Cấu trúc: “take a long time to V”: cần thời gian dài để làm gì

Dịch: Nếu chúng ta xả rác thải nhựa ra bề mặt Trái Đất, nó sẽ cần một khoảng thời gian dài để phân huỷ.