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21. A. exist B. happen C. take place D. establish
22. A. production B. products C. productivity D. producers
23. A. Even B. However C. Although D. Besides
24. A. buying B. taking C. raising D. paying
25. A. limited B. related C. focused D. connected
26. A. makes B. affects C. influences D. effects
27. A. part B. way C. body D. side
28. A. scene B. location C. place D. site
29. A. brings B. gets C. enables D. fetches
30. A. problems B. wars C. accidents D. disasters
We earn our ___LIVELIHOOD__ (LIVE) in America today in peaceful ___COMPETITION___ (COMPETE) with people all across the Earth. Profound and __POWERFUL___ (POWER) forces are shaking and __MAKING___ (MAKE) our world, and the urgent question of our time is whether we can make change our friend and not our enemy. This new world has already __ENRICHED___ (RICH) the lives of millions of Americans who are able to ___COMPETE__ (COMPETITION) and win in it. But when most people are working harder for less, when others cannot work at all, when the cost of health care devastates families and threatens to __BANKRUPT___ (BANK) our enterprises, great and small, when the fear of crime robs law abiding citizens of their __FREEDOM___ (FREE), and when millions of poor children cannot even imagine the lives we are calling them to lead, we have not made change our friend.
We earn our ___livelihood__ (LIVE) in America today in peaceful ___competition___ (COMPETE) with people all across the Earth. Profound and __powerful___ (POWER) forces are shaking and __remaking___ (MAKE) our world, and the urgent question of our time is whether we can make change our friend and not our enemy. This new world has already __enriched___ (RICH) the lives of millions of Americans who are able to __compete___ (COMPETITION) and win in it. But when most people are working harder for less, when others cannot work at all, when the cost of health care devastates families and threatens to __bankrupt___ (BANK) our enterprises, great and small, when the fear of crime robs law abiding citizens of their __freedom___ (FREE), and when millions of poor children cannot even imagine the lives we are calling them to lead, we have not made change our friend.
Plans grow(46)in almost every part of the world. We see(47)such plants as flowers, glass, and tree nearly every day. Plants grow high on moutaintops, far in the oceans, and in many deserts and(48)polar regions
Without plants, there could be not life on earth. Man could not live without air of food and so he could not live without plants. The oxygen in the air we breathe comes from plants. The food we eat also comes from plants or from animals that eat plants. We build houses and make many(49)useful products from lumber cut from trees. (50) Much of our clothing is made from the fitbers of the cotton plants.
Scientists belive there are more than 350,000 species of plants, but no one knowns for(51)sure. Some of the smallest plants, called diatoms, can be seen only with a(52)microscope . A drop of the water may hould as many as 500 diatoms. The largest living things are the giant sequoia trees of California. Some of them stand more than 290 feet high and measure over 30 feet wide
Scientist(53)divide all living things into two main groups - plants and animals. It is usually easy to tell the two(54)apart . Almost all kinds of plants stay in one place, but nearly all species of animals move about under their own power. Most plants make their own food from air, sunglight, and water. Animals cannot make their own food. The basic units of all life, called cells, are also different in plants and animals. Most plants have thick wall that(55) contain a material called cellulost. Animal cells dl not have this material.
1 they want us ..............our classroom more atractively a decorate b to decorate c decorating d decorated
2 i wear a hat ..................... i do not want to be sick a but b and c about d of
=> câu này theo em đáp án là because / since/ as ( trog trường hợp đề sai )
3 what can we do to spend less .....................lighting ? a in b on c about d of
4 many new air conditioners will ......................... this morning a be installed b be sold c be cleaned
5 we should ..........................all the electric appliances when leaving our room a turn off b turning off c turn on d turning on
6 she told me she ....................... go to ha noi the following day a has to b had to c will have to d would have to
7 everyone should ...................forest and environment a reduce b prevent c protect d wash
8 we were very ..................... that you won the first prize a amaze b amazed c amazing d amazenment
9 if a disaster ...................... in an area , people from other areas will offer help a happens b will happen c happening d would happen
0. amusement
1. born 2. in 3. invent 4. telephone 5. spread
6. made 7. the 8. imagined 9. death 10. for
chúc hk tốt nhớ tk mk nha
Word formation:
The days when people would go to a zoo simply for (0. AMUSE) ___amusement____ are long ago. Today, when we place greater (1. IMPORT) __born_____ on the survival of animals in the wild, zoos have duty to inform the public and improve our (2. KNOW) ____in___ of the environment and the problems faced (3. WORLD) __event_____ by large numbers of animals. Today's zoos also play a role in the (4. PROTECT) __telephone_____ of threatened species, breeding animals for release in the wild. Many zoos also fund (5. SCIENCE) __spread_____ research into animals and their behavior. The way animals are treated in zoos has changed, too. Many intelligent animals suffer from (6. BORE) ___made____ in captivity and their keepers now try to improve the (7. PSYCHOLOGY) ___the____ state of the animals in their care. They do this by, for example, providing the animals with a (8. VARY) __imagined_____ of different food or by changing the animals' (9. DAY) _____death__ routine. Although some cris of zoos remain (10. CONVINCE) ____for___ , there can be no doubt that animals in zoos today enjoy a more comfortable existence than in the past.