Choose the best answer----- Nội dung dịch tự động từ ảnh ----- the best answer for each of the following Read the following passage and choose the letter A, B, C, or D to indicate the rrect word or phrase that best fits each of the numbered blanks. Different kinds of animals have appeared and disappeared throughout Earth's history. Some animals may become wetter or drier, It may become warmer or cooler. If the animals cannot change, or adapt, to the new climate, they die. go extinct because the climate (1) they live changes. The climate Some animals go extinct because they cannot (2) with other animals for food. Some animals go extinct because they are killed by enemies. New kinds of animals are always evolving. Evolving means that the animals are changing (3)__from generation to generation. Small differences between parents, children, and grandchildren slowly odd up over many, many generations. Eventually, a different kind of animal evolves. time. Scientists Sometimes many of the animals on Earth go extinct at the (4) call this a mass extinction. Scientists think there (5) Earth's history. The last mass extinction happened about 65 million years ago. This mas extinction killed off the dinosaurs. at least five mass extinctions in (http://masho0oq.blogspot.com) C. what D. when 1. A. which B. where D. exist 2. A. compete C. complete B. find 33HegoBook C D. accidentally 3. A. suddenly C. slowly B. quickly D. same C. similar C. have been 4. A. different B. various D. has been 5. A. will be B. are the best answer for each of the follow |