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The locust is perhaps nature's most awesome example of the collective destructive power of a species which, individually, is practically harmless. An adult locust weighs a maximum of two grams—it takes over 225 to outweigh a can of beans. But since each locust can eat its own weight daily, and since a moving swarm may carpet the ground with anywhere from 30 to 60 locusts a square yard, a square mile will typically contain from 100 million to 200 million of the creatures. Seldom, furthermore,...
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The locust is perhaps nature's most awesome example of the collective destructive power of a species which, individually, is practically harmless. An adult locust weighs a maximum of two grams—it takes over 225 to outweigh a can of beans. But since each locust can eat its own weight daily, and since a moving swarm may carpet the ground with anywhere from 30 to 60 locusts a square yard, a square mile will typically contain from 100 million to 200 million of the creatures. Seldom, furthermore, will a swarm occupy a mere square mile; swarms more than 400 square miles in area have been recorded, and one that size weighs more than 80,000 tons. It numbers around 40 billion insects eating the weight of the Queen Mary every day it is on the move—and it never stops. Even the two tons of locusts each one million population represents takes a tremendous toll: each day that population eats as much as 20 elephants or 500 people. And their voracity is not only in numbers; pound for pound the locust eats 60 to 100 times as much as a human being.

1.This article is mainly concerned with

A.the harmlessness of individual locusts B.the Queen Mary locust plague

C.the destructive capacity of locusts D.the importance of locusts to man

2.Locusts.......

A.existed only in Bible B.always travels in swarms

C.ate the Queen Mary in one day D.eat as much as twenty elephants

3.Locusts ......

A.can fly over long distance

b.always travels in swam

C.is no larger than a bean

D.can eat its own weight daily

4.The destructive of locusts in swarms results from all of the following except....

A.the large area covered by the swarm

B.the large number of locusts in a swarm

C.their collective voracity

D.the extreme weight of a locust swarm

5.The author uses.......

A.contrast and comparison

B.factual description

C.smile and metaphor

D.biased opinion

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12 tháng 1 2018

Tìm lỗi sai trong các câu sau đây và sửa lại cho đúng:

1/ The next important question we have to decide->answer is when we have to submit the proposal.

2/ He->The driver of the car was serious injured in the accident.

3/ When you are on->in orbit, You will be able to get out of your seat and walk on the car bin.

4/ One person out of seven in the world can speak English so->as fluently as the native speakers can

5/ He started working as an editor 10 years ago but now he knows->is known as a famous MC.

11 tháng 1 2018

Tìm lỗi sai trong các câu sau đây và sửa lại cho đúng:

1/ The next important question we have to decide is->to be when we have to submit the proposal.

2/ He driver->drives of the car was serious injured in the accident.

19 tháng 10 2019

Tìm lỗi sai

1. She is too late for her => to go to the cinema

2. The teacher notice pupils to make => making noisy

3. The boy ran as faster => fast as he could

4. The've finished to work => working on their report

P/s: không chắc ạ :<

20 tháng 10 2019

sai câu 1, 2 rồi cope' ơiiiii

17 tháng 8 2018

tìm và sửa lỗi sai

17. We wish today is=>was sunny so that we could spend the day in the countryside

18. Liz spent such an enjoying=>enjoyable day in Ba's home village that she plans to return to the village some day.

19. As soon as the alarm clock rang, she woke up and was getting=>got out of bed.

20. Ben has to save a few=>little money so that he can go to school in the fall.

15 tháng 11 2018

Tìm và sữa lỗi sai

1 My exams finish on=>in 27th June

2 i will be fine in the interview as long as they won't=>don't AK me technical question

3 what time is your meeting=>will your meeting be about to start tomorrow

4 I  will hand in my noe for this job after I will get=>get the contract for my new one

5 I will text you before we set off

6 The moment i will receive=>receive my results i will phone you

7 tháng 11 2019

chia động từ

1. Poems as well as plays (write).....written...............by Shakespeare

2. She is having an examination. She wishes she (spend).......spent.............a day off on a farm now

3. I had a phone call while i (surf).......was surfing...........the web

4. If we (not save).....didn't save............energy, there (be)......would be..........great shortage in the next century

5. Do you have any difficult in (solve).....solving..........this problem

21 tháng 2 2020

Comparions : Rewrite the sentences keeping the same meaning.

1. My house is bigger than your house

Your house is smaller than my house

2. The black car is cheaper than the red car

The red car is more expensive than the black car

3. This film is more interesting than that one

That film is not as interesting as this one

4. My kitchen is smaller than yours

Your kitchen is bigger than mine

5. My mother cannot cook as well as me

I can cook better than my mother

6. She has a house which is not as modern as my house

My house is more modern than her house

7. The movie was boring. I had been thought it was interesting

The movie was not as interesting as I had been thought

8. He cannot play tennis as well as Jack

Jack can play tennis better than him

9. I did not spend as much money as you

You spent more money than I did

10. I didn't think this book is expensive as it is

This book is more expensive than I thought

 Rewrite the sentences.1.Nick is a more careless driver than Tom.-Nick drives________________________________________.-Tom________________________.2.Phong is a faster swimmer than Phuc.(fast)-_____________3.My father’s explanation about the subject was clearer than my brother’s.(clearly)-My father________________4.My sister is a better singer than I am.(well)-My sister_______________________5.When he was young,he live in Hanoi.-He used_______________6.These students have already done the...
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 Rewrite the sentences.

1.Nick is a more careless driver than Tom.

-Nick drives________________________________________.

-Tom________________________.

2.Phong is a faster swimmer than Phuc.(fast)

-_____________

3.My father’s explanation about the subject was clearer than my brother’s.(clearly)

-My father________________

4.My sister is a better singer than I am.(well)

-My sister_______________________

5.When he was young,he live in Hanoi.

-He used_______________

6.These students have already done the homework.

-The homework_____________________

7.I am not washing the dishes in the kitchen.

-_____________________

8.I always admire Mr Tuan.He always gives me a lot of useful pieces of advice.

-__________________________

9.Minu is my favourite dog.It looks after my house very well.

-__________________________________

10.My grandmother often tells me many stories.My grandmother loves me a lot.

-____________________

11.The man is my father I respect his opinions most.

-_________________________

12.The Red River is the fastest river in Vietnam.

-No river________________________

13.No one plays football as well as Ronaldo.

-Ronaldo__________________

14.Miss Lan is the best student in the class.

-Nobody___________________

15.No workers work as noisily as the ones in this workshop.

-The workers______________   

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