TAILIEUCHUNG - Cracking the toefl ibt part 13

Tất cả các sinh viên nên làm các bài tập trong tấ cả các phần của tài liệu cái mà họ cảm thấy không chắc chắn. Ngay cả những sinh viên đã nói, nghe, đọc, viết tốt thì cũng nên sử dụng tài liệu này để phát triễn vốn tiếng anh them phong phú hơn. | First eliminate choice D because it is a negative word. For answer choice A can you find any words in these lines that correspond to the word precisely No. So eliminate choice A . Similarly there is no support that the shaded word means literally which is choice B . Only answer choice C works. 11. C Ulis inference question asks for the author s general opinion about species classification. Use your understanding of the main idea to try to answer in your own words. Based on the passage the author states that there are problems with species classification but it is still useful. This makes C the best answer. Here s why the other answer choices are incorrect. Choice A is wrong because in the last paragraph the author states that a classification system is useful. Answer choice B is too negative the author talks about some positive aspects of species classification. Answer D is incorrect because the author never states that the problems will soon be solved. 12. Once again you are asked to add a sentence to the passage this is a sentence insertion question . Here is the sentence we need to add. This definition is widely accepted by biologists and zoologists but its application isn t always simple. Let s check the sentences before and after the black squares for a match. Look at the first option. At the southern tip of the valley live two distinct types of salamander one salamander is characterized by its yellow and black spots whereas the other is light brown in color and has no spots. This definition is widely accepted by biologists and zoologists but its application isn t always simple. In biology a species is typically defined as a group of animals that breed only with one another. This isn t a very good match. The first sentence talks about color and spots but the boldfaced sentence mentions a definition. The second sentence doesn t have any application of the definition. Let s move on to the next choice. In biology a species is typically defined as a group of .

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