Xét 4 quần thể của cùng một loài sống ở 4 hồ cá tự nhiên. Tỉ lệ % cá thể của mỗi nhóm tuổi ở moóc quần thể như sau:

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Question 23. What do you think about his ______ of coins? A. collection B. collective C. collector D. collect Question 24. We often go ______ a walk on the weekends. A. out B. for C. to D. on Question 25. Your English ______ better if you study harder. A. would be B. is C. will be D. were II. Choose the correct answer (A, B, C, or D) to indicate the word whose bold part differs from the other three in pronunciation in each of the following questions. Question 26. A. baseball B. basket C. barber D. climber Question 27. A. wanted B. believed C. earned D. delayed Question 28. A. hard B. high C. honest D. happy Question 29. A. ways B. pays C. helps D. bands Question 30. A. nice B. fine C. thin D. right III. Choose the correct answer (A, B, C, or D) to indicate the sentence that is CLOSEST in meaning to the sentence given in each of the following questions. Question 31. My bedroom is small. I cannot put that big table in it. A. If my bedroom is not small, I could put that big table in it. B. If my bedroom is not small, I can put that big table in it. C. If my bedroom were not small, I can put that big table in it. D. If my bedroom were not small, I could put that big table in it. Question 32. People have found many different ways to save energy. A. Energy has found many different ways to save people. B. Many different ways have found energy to save. C. Many different ways to save energy have been found. D. Energy has been found to save people. Question 33. She hasn't gone to the school library for three months. A. She last went to the school library for three months. B. She last went to the school library three months ago. C. She last went to the school library for three months ago. D. She last went to the school library three months. Question 34. The song was very interesting. We listened to it last night. A. The song was very interesting which we listened to last night. B. The song which we listened it last night was very interesting. C. The song which we listened to last night was very interesting. D. The song was very interesting which we listened to it last night. Question 35. "Please come to see us when you have time", she said to us. A. She hoped to come to see them when we had time. B. She told us to come to see them when we had time. C. She decided to come to see them when we had time. D. She got us to come to see them when we had tim