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1. pollution
2. dangerous
3. air pollution
4. coal
5. other sources
34 are
35 are going to come
36 have wondered
37 will be taking
38 will have learned
39, will have discovered
40 is going to look for
41 will be traveling
42 to be improved
43 will be developing
1 are
2 are coming
3 have wondered
4 will be taking
5 will have learnt
6 will have discovered
7 will be looking for
8 will have traveled
9 had been improved
10 will have developed
gạch chân đáp án đúng
1 the members of Kim's family (travel/travels)to American
2 a flag from every country (was/were)painted in the book
3 all the reports on the meeting (is/are) on the desk
4 all the planets in the solar system (orbit/orbits) the sun
5 the light from the sun (take/takes) 8 minutes to reach Earth
6 the news (was/were) extremely terrified
7 the leader,along with three his colleagues and two supporters(is/are) discussing on the problem
8 each of the cars in the street (is/are)new
1 - c: liquid - in a form of a substance that flows freely and is not a solid or a gas.
(chất lỏng – một dạng vật chất chảy tự do mà không phải là chất rắn hay chất khí.)
2 - d: gravity - the force that causes something to fall to the ground.
(trọng lực – lực làm mọi thứ rơi xuống đất.)
3 - a: habitable - suitable for people to live in.
(có thể ở được – phù hợp để con người sống.)
4 - e: promising - showing signs of being good or successful.
(đầy hứa hẹn – cho thấy dấu hiệu của sự tốt đẹp hoặc thành công.)
5 - b: traces - marks, objects, or signs that show that somebody or something existed.
(dấu vết – vết tích, đồ vật hoặc dấu hiệu cho thấy ai đó hoặc cái gì tồn tại.)
Fill one suitable word in each space of the following passage
About two hunderd years ago man lived in great harmony with his environment......(1)while........industry was not much developed. Today the situation is quite different.People all over the world are worried about......(2)what......is happening to the enviroment, because od modern industry and the need for more and more energy. Newspaper and magazines write about water pollution, air pollution and land pollution.
Why is.......(3)there......so much discussion about pollution ? After all, people have been .......(4)polluting....... the world around them for thousands of years. But in the past, there were not many people and lots of room in the world so they could move to another place when their sattlements became ......(5)dirty.....
Now, however, many parts os the world are crowded, people live in big cities and much of our waste, especially waste from factories, electric power stations, the chemical industry and heavy industry is very dangerous. Much of this dangerous waste goes into the air and is carried by the ......(6)....... for great distance.
The earth is our home. We must take care of it, for ourselves and for the........(7)next...... generations. This means keeping our environment clean. Ecologists, the scientists who study the relation between living ......(8)objects.....and the environment point out the importance of this task. However, each of us must do everythingpossible to keep the land, air and water clean.
Ex1: Fill a suitable word in each gap to complete the passage:
This small country is mostly farmland. The animals seen most often (1).........are......... cows and sheep. Most farms have a few geese, too. There are donkeys, (2)..........but........ not many horses. There's a lot of wheat and potatoes, and there are tomatoes (3)..........on........... the south side of the hills. In summer the men, women and children work together in the (4)..........field.............. seven days a week. The people work hard all (5)..............their........... lives. The only two factories in the countries are in the capital, (6).............one................ makes toys and games, and the other makes knives and folks. All (7).............these............... things are for export. The east of the country is thick forest, the home (8)...............of............. wild ponies, deer and wolves. Photos of the cliffs along the coast show (9)................how................ beautiful the country is. But not many tourists visit is (10)..................because............... the airport is too small for most aircraft.
1. moons
2. rocky surfaces
3. objects
4. huge
5. rings
1. Many of the planets in our solar system have moons.
(Nhiều hành tinh trong hệ mặt trời của chúng ta có mặt trăng.)
2. The four inner planets are quite small and have rocky surface.
(4 hành tinh ở trong nhỏ hơn và có bề mặt đá gồ ghề.)
3. The asteroid belt has millions of rocky objects.
(Vành đai của tiểu hành tinh có hàng triệu vật thể bằng đá.)
4. The outer planets are huge and mostly made up of gas.
(Những hành tinh bên ngoài lớn và chủ yêu được tạo thành từ khí.)
5. These outer planets all have thick layers of clouds and rings around them.
(Những hành tinh bên ngoài này có những lớp mây dày và những vành đai xung quanh chúng.)