Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
As a result of pollution, Lake Erie, on the borders of the USA and Canada, is now without any living things. Pollutions in water are not simply a matter of “poisons” killing large numbers of fish overnight. Very often the effects of pollution are not noticed for many months or years because the first organisms to be affected are either plants or plankton. But these organisms are the food of fish and birds and other creatures. When this food disappears, the fish and birds die in this way a whole food chain can be wiped out, and it is not until dead fish and water birds are seen at the river’s edge or on the sea shore that people realize what is happening. Where do the substances which pollute the water come from? There are two main sources – sewage and industrial waste. As more detergent is used in the home, so more of it is finally put into our rivers, lakes and seas.
Detergents harm water birds dissolving the natural substance which keep their feather waterproof. Sewage itself, if it is not properly treated, makes the water dirty and prevents all forms of life in rivers and the sea from receiving the oxygen they need. Industrial waste is even more harmful since there are many high poisonous things in it, such as copper and lead. So, if we want to stop this pollution, the answer is simple, sewage and industrial waste must be made clean before flowing into the water. It may already be too late to save some rivers and lakes, but others can still be saved if the correct action is taken at once.
What is the meaning of “waterproof” in the second paragraph?
A. not allowing water to go through
B. covered with water
C. full of water
D. cleaned by water
Giải bởi qa.haylamdo.com
Đáp án A
waterproof (adj): không thấm nước
= not allowing water to go through: không cho nước đi qua.
Các đáp án còn lại:
B. bao phủ bởi nước.
C. chứa đầy nước.
D. được làm sạch bằng nước.
People are encouraged to take bottles to bottle-banks, and only shops in supermarkets which use ______ packing.
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
How to protect children Web fans from unsuitable material online while encouraging them to use the Internet has long been discussed in the US.
For some parents, the Internet can seem like a jungle, filled with danger for their children. But jungles contain wonders as well as hazard and with good guides, some education, and a few precautions, the wilds of the Internet can be safely navigated. “Kids have to be online. If we tell our kids they can’t be allowed to surf the Internet, we’re cutting them off from their future,” said an expert. Most kids have started to use search engines. Many of them are great for finding tons of interesting Internet sites, and they can also locate places where you might not want your kids to go. There are search engines designed just for kids. A certain software contains only sites that have been selected as safe. The most popular way would be to use what is known as a “content screener”. But this can’t be wholly reliable, and the best thing parents can do is to talk to their kids and let them know what is OK or not OK to see or do on the Internet. Another way is that mum or dad is nearby when the child is surfing the Internet. A few other tips as follows:
Don’t put the PC in a child’s room but keep it in an area where mum or dad can keep an eye on things. That also makes the Internet more of a family activity.
Ask your child what he or she has been doing and about any friends they make online.
Tell your child not to give online strangers personal information, especially like address and phone number.
And tell your children never to talk to anyone they meet on line over the phone, send them anything, accept anything from them or agree to meet with them unless you go along.
According to the passage, we can infer that _______.
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
I have never seen such beautiful pictures before.
They have lived next door to us for years ______ we hardly ever see them.
______ liked ao dai, kimono, hanbok help preserve a country’s heritage and educate people about their history.
Mark the letter A, B, C or D in your answer sheet to indicate the underlined part that needs correction in each of the following questions.
When we arrived her house, I found she has been out with her new friend without leaving me a note.
Sue ______ a CD player last week and she ______ to music ever since.
Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C or D in your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Clean Up Australia Day welcomes more than half a million volunteers who help to clear thousand of tons garbage from beaches, parks, streets and waterway.
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
I last heard this song 10 years ago.
______ people in cities now choose to get married later than previous generations.
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
My sister and I dressed as quickly as we could, but we missed the school bus and we late for school
The ______ of modern technologies has undeniably brought so much comfort to the lives of people.
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
Water pollution occurs when chemicals or substances that make water contaminated are discharged directly or indirectly into water bodies without enough ______ to get rid of harmful compounds
