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. Don't drink that water. It's ________           A.damaged            B.dumped        C.contaminated2.Several tropical storms ___________ our country recently.   A.struck          B.have struck    C.are striking    3.The victims on the roofs of the houses ___________ with food and water by the rescue team.A.provided     B.will be provide    C.were provided    4.If we _______ soon, the pollution will get much worse.     A.don't act     B.didn't act           C.will not act            5.I learnt...
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. Don't drink that water. It's ________           A.damaged            B.dumped        C.contaminated

2.Several tropical storms ___________ our country recently.   A.struck          B.have struck    C.are striking    

3.The victims on the roofs of the houses ___________ with food and water by the rescue team.

A.provided     B.will be provide    C.were provided    

4.If we _______ soon, the pollution will get much worse.     A.don't act     B.didn't act           C.will not act            

5.I learnt from the news on TV that the earthquake ___________ hundreds of houses.

A.destroys               B.were destroyed         C.had destroyed      

6.Look at your weekly schedule. Your presentation on visual pollution _________ at 9.45. Don't be late please.

A.is starting     B.starts          C.had started        

7. If people continue littering, the environment _____ seriouly polluted.    A. will be   B. would be  C. be

8. Emergency teams are still removing the ______ from the plane crash.           A.dirt     B.debris     C.dust

9. If there ________fewer cars on the road, there would be less pollution.  A. is         B. wasn’t         C. were

10.Thousands of buildings and houses were completely_____ when the earthquake struck the area.

           A. destroying               B. destroyed                          C. destroy                     

11. Before we went camping, we _______ a lot of things.      A. prepare     B. preparing         C. had prepared

12. After we had moved to the public shelter, the earthquake______.A. occurred          B. happen        C. occurring

13. Eating too much sugar can ________ to health problems.          A.cause             B.lead               C.make

14. A: - All the people were taken to a safer place just in time. B - __________!

          A. That’s shocking         B. Oh dear                     C. That’s great

15 . The team's success was largely __________ to her efforts.          A.because         B.due             C.since

16. Much of the town was rebuilt after the massive _______ of the tornado.  A. peace  B. humor     C. destruction

17. A kilt is the traditional garment for _________.  A. Scottish men  B. Canadian men   C. American men

18. New Zealand is famous for the _______ beauty of its mountain and forests.A. scenery       B. scene    C. scenic

19. Don’t drink that water. It’s ___________.           A. damaged    B. contaminated  C. dead

20. John: “I’ve won the first prize!” – Hoa: “___________”

A. Good luck!                         B. Not at all.                           C. Congratulations

1
17 tháng 3 2022

1. C

2. B

3. C

4. A

5. C

6. B

7. A

8. B

9. C

10. B

11. C

12. A

13. B

14. C

15. B

16. C

17. A

18. C

19. B

20. C

17 tháng 12 2016

sau khi chuyển thì đơn vị 1 có số người là:

             (70+6):2=38(người)

sau khi chuyển thì đơn vị 2 có số người là:

             70-38=32(người)

vì 2 đơn vị có số người bằng nhau nên lúc đầu mỗi đơn vị có 35 số người .

vậy mỗi đơn vị có 35 người.

              

            

8 tháng 4 2021

Lớp 8 thì đăng vào phần lớp 8 ấy.

a) Ta có: \(2x^2y\cdot\left(-2.5x^3y^2z\right)\)

\(=\left(-2.5\cdot2\right)\cdot\left(x^2\cdot x^3\right)\cdot\left(y\cdot y^3\right)\cdot z\)

\(=-5x^5y^4z\)

a) Ta có: \(12x^5y^2\cdot\left(-12.5zx^2y^5z\right)\)

\(=\left(-12.5\cdot12\right)\cdot\left(x^5\cdot x^2\right)\cdot\left(y^2\cdot y^5\right)\cdot z^2\)

\(=-150x^7y^7z^2\)

19 tháng 6 2021

7. My mother told me late.
A. don't stay  B. don't wake up  C. stay don't wake up  D. don't wake up

19 tháng 6 2021

thanksngaingung

1. I don't like chinese food very much.Neither don't I                                                  I don't, too.                                        I don't, either2. I love chocolate desserts.Neither do I                                                        I do, either.                                        I do, too.3. I don't often eat fruits and vegetables.So do I                                                                  I do,...
Đọc tiếp

1. I don't like chinese food very much.

Neither don't I                                                  I don't, too.                                        I don't, either

2. I love chocolate desserts.

Neither do I                                                        I do, either.                                        I do, too.

3. I don't often eat fruits and vegetables.

So do I                                                                  I do, too.                                              I don't, either

4. I didn't watch horror films last night.

I don't, either                                                    Neither did I                                       So did i

5. Hoa will be 15 on her next birthday.

So will Lan                                                           Lan is, too.                                          So does Lan

6. Nam is doing his homework at the moment.

So does Minh                                                    Neither is Minh                                 Minh is, too.

7. I had a cold last Tuesday.

Neither did I                                                       So did I                                                 I didn't, too.

8. Paul can't type well.

I will, either.                                                       Neither could I                                  I can't, either

9. Cathy doesn't like dogs.

I don't, either                                                    I am not, either                                 Neither am I

10. I don't go to work every day.

Neither do I                                                        Neither am I                                       And I am, either

1
28 tháng 12 2021

1. I don't either
2. I do too 
3. I don't either
4. Neither did I 
5. so will Lan
6. Minh is too
7. So did I
8. I can't either
9. I don't either
10. Neither do I

24 tháng 7 2015

a) 5 ; x+y ;2xy đồng dạng với 4xy ;a (x) = 25x + 2x2

b) -2xy

21 tháng 10 2016

5,09

48,027

0,02

0,404

0,005

tk nhé là mình Đỗ Đức Đạt đây

28 tháng 8 2019

bai nay de vai

giup em vs

 

8 tháng 3 2022

a, P=-3(x^3.x)(y^2.y^3)

      =-3x^4y^5

b, Thay x=-1 , y=2 vào đơn thức P . Ta có :

P=-3.(-1)^4.2^5

P=3.1.32

P=96