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I.Choose the words from the box to complete the following passage.
| dirty-threaten;-waste;-pollution;-recycle-product-area-disposing-source-garbage. |
Many cities have a serious pollution problem.Motor vehicles,factories,and other (1)....sources..... create so much air pollution that it may hang in the air like (2)....dirty... fog.Air pollution (3)....threatens... the heath of the people who live in cities.City (4)...wastes... cause water pollution when they are poured into warterways.These wastes kill fish and make some (5)...areas.... unfit for swimming. In addition, many large cites have difficulty (6)...in disposing.. of their garbage.The amount of the (7)..garbage... grows each year,but places to put it are quickly filling up.
Citizens,governments,industries,scientists and business people must work together to gradually reduce (8)....pollution...For example,most cities have introduced (9)....recycling... programs,which cut down on garbage and the space needed to store it. Residents separate recyclable products from garbage,and city governments provide drop-off cities or pick up the (10)...products..... from homes.
FILL IN THE NUMBERED BLANK IN THE PASSAGE WITH ONE SUITABLE WORD FROM THE BOX.(WHY)
| Heart | more | improve | writing | speakers | listening |
English is one of the most popular languages in the world.It comes second in the number of (1)speaker after Chinese .In Vietnam,more and (2)more people studying English.However,(3)heart every one knows to learn English effectively.The best to(4)improve the four skills;speaking,listening,reading and(5)writing is to practise regularly.
)
FILL IN THE NUMBERED BLANK IN THE PASSAGE WITH ONE SUITABLE WORD FROM THE BOX.(WHY)
| Heart | more | improve | writing | speakers | listening |
English is one of the most popular languages in the world.It comes second in the number of (1)speaker after Chinese .In Vietnam,more and (2)more people studying English.However,(3)heart every one knows to learn English effectively.The best to(4)improve the four skills;speaking,listening,reading and(5)writing is to practise regularly.
Complete the passage with a suitable word from the box.
|
. . . . . . |
Are you looking for a cheap, clean, (1)__effective___ source of power that doesn't cause pollution or waste natural (2)__resources___? Look no furthet than solar energy. While mosr (3)__fuels___ now in use are beging burned at an astonishing rate, solar energy, or (4)__power___ from the sun, will last as long as the world lasts. This energy has already been used to (5)__heat___ and cool homes. and to cook food. It has been used (6)___experimentally__ in radio batteries and in furnishing power for telephone lines. The (7)___devices__. However, are cheap to operate but very expensive to (8)___produce__.
Fill in each gap with one suitable word from the box(there are two extra words).
| into-and-planets-universe-combined-explaining-time-were-to-that-electrons-matter |
A popular theory (1)..explaining....the evolution of the universe is known as the Big Bang Model.According to the model,at some time between ten(2)..and....twenty billion years ago,all present matter and energy(3)...were...compressed into a small ball only a few kilometers in diameter.It was,in effect,an atom(4)..that....contained in the form of pure anergy all of the components of the entire universe.Then,at a moment in(5)..time....that astronomers refer to as T=0,the ball exploded,hurling the energy(6)....into..space. Expansion occurred.As the energy cooled,most of it became(7)..matter....in the form of protons,neutrons and(8)...electrons...These original particles(9)....combined..to form hydrogen and helium,and continue to expand.Matter formed into galaxies with stars and(10)..planets...
Many environmental experts are pessimistic about the future of our planet. They (1)............. that in the next few years harmful chemistry with further damage the ozone layer, there (2)............... more looses of irreplaceable tropical rainforests, and serious air (3)..............will cause the (4)................ itself to change. They also warn us that Third World countries (5)............. to suffer ecological disaters, while the rich countries consume the vast majority of the world's resouces. Animals are also at rick. It is feared that some endangered species may soon died out as their (6)............. lives are destroyed in come cases, the only way to save a rare species out of extinction is to breed it in captivity
| 1. | A. talk | B. say | C. speak |
| 2. | A. is | B. are | C. will be |
| 3. | A. pollution | B. polluted | C. pollute |
| 4. | A. climate | B. weather | C. people |
| 5. | A. continue | B. will continue | C. continues |
| 6. | A. nature | B. naturally | C. natural |
Many environmental experts are pessimistic about the future of our planet. They (1)............. that in the next few years harmful chemistry with further damage the ozone layer, there (2)............... more looses of irreplaceable tropical rainforests, and serious air (3)..............will cause the (4)................ itself to change. They also warn us that Third World countries (5)............. to suffer ecological disaters, while the rich countries consume the vast majority of the world's resouces. Animals are also at rick. It is feared that some endangered species may soon died out as their (6)............. lives are destroyed in come cases, the only way to save a rare species out of extinction is to breed it in captivity
| 1. | A. talk | B. say | C. speak |
| 2. | A. is | B. are | C. will be |
| 3. | A. pollution | B. polluted | C. pollute |
| 4. | A. climate | B. weather | C. people |
| 5. | A. continue | B. will continue | C. continues |
| 6. | A. nature | B. naturally | C. natural |
One of the undesirable aspects of tourism development is environmental (1) ……… degradation……………in destinations. Firstly, more and more natural resources such as water, energy, and soil are (2)……… exploited ……………due to the increase in visitor numbers, which may lead to the (3) …… depletion……………… of local resources. Secondly, pollution is also a serious issue making the authorities worried. Obviously, (4)……… beverage……………bottles or cans and plastic bags are (5) ……… freely…………disposed of at the tourist sites, posing a threat to the natural environment. Besides, the growth of vehicles to meet travel demand accidentally (6) …… triggers………………or worsens traffic congestion, air and noise pollution in the overcrowded regions. Another bad influence of tourism is the (7) …… devastation………………of the wildlife. The habitats of many wild plants and animals have been (8) ……… gradually……………lost because of building hotels, resorts and (9) ………… recreational…………zones. In brief, these negative impacts on the environment will be more serious if there are not (10) ………… appropriate…………measures.
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