We are slowly (4) ______ the earth. The seas and rivers are too dirty to swim in. There is so much smoke in the air that is unhealthy to live in many of the world’s cities. In one well-known city, for example, (5) ________ gases from cars pollute the air so much that traffic policeman have to wear oxygen marks. We have cut (6) _______ so many trees that are now vast areas of wasteland all over the world. As a result, farmers in some parts of America can’t grow enough to eat. In certain countries in Asia, there is too little rice. (7)__________, we do not take enough care of the countryside. Wild animals are quickly disappearing. For instance, tigers are rare in India now because we have killed too many for them to survive. We must act now before it is too (8) ________ to do anything. Join us now. Save the earth. It is too important to ignore. A. latest B. late C. later D. lately 15.An active ___________ may erupt at any time. (2.5 Điểm) Mark the letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questions. A. volcanic B. tornado C. flood D. volcano 16.- John: “What a nice picture!” - David: “________________” (2.5 Điểm) Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to each of the following exchanges. A. Right. I’ve painted a nice picture. B. Thanks. It’s nice of you to say so. C. Yes. I think so too. D. Wow. What’s a nice compliment! 17.Why is Alaska called the land of Midnight Sun? (2.5 Điểm) 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 following questions. Alaska is perhaps the most amazing state in the USA. It has coastlines facing both the Arctic Ocean and the Pacific Ocean. This state has an incredible three million lakes. That’s four lakes per person living there. Many cities in Alaska cannot be reached by road, sea, or river. The only way to get in and out of it by air, on foot, or by dogsled. That’s why Alaska has the busiest sea airport in the world, Lake Hood Seaplane Base. Nearly two hundred floatplanes take off and land on the water of this airport every day. It is a really fun scene to watch. Alaska is called the land of Midnight Sun because in summer, the sun does not set for nearly three months. But in winter the sun stays almost unseen. All Alaskans take special pride in their beautiful and unique state. A. Because there is no winter. B. Because Alaska is a unique state. C. Because the sun does not set in summer. D. Because Alaska is very beautiful.