tailieunhanh - The Complete Guide to the TOEFL IBT part 11

Tham khảo tài liệu 'the complete guide to the toefl ibt part 11', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 136 Practice Test 2 lichens with mosses but that mosses are green while lichens appear in many colors. Choice B incorrectly says that many people are familiar with mosses but not with lichens. Choice C incorrectly states that green lichens are a type of moss. Choice D incorrectly says that the two types of plants are difficult to distinguish. 5. C Paragraph 3 says that acids from lichens can be used as dyes A . Some lichens can be used as antibiotics B . Oils from lichens are used in perfumes D . There is no mention that lichens are used as human food C so this is the best answer. 6. A The word tangled means twisted or tied in knots. 7. D Paragraph 5 tells us that symbiosis is a relationship in which the two types of organisms live together to the benefit of both. In choice A the mistletoe benefits but the oak tree does not. In choice B the remoras benefit but there is no evidence that the sharks do. In choice C the tiger benefits but the grass is not affected. In choice D both the protozoa and the termites benefit because both receive nourishment so this is the best answer. 8. D Paragraph 5 explains that the fungi protects the tender algae from direct sunlight . . . Therefore direct sunlight must be damaging to the algae. 9. B The reference is to one organism. The sentence means that for hundreds of years people thought that this double organism was a single organism. 10. C The best answer is C because the author says that . . . if they are classified as separate species these fungal species that cannot live alone seem rather strange. There is no information in the passage to support choice A. Choice B is incorrect the algae make the food for the fungi. Choice D is also incorrect paragraph 6 says that the fungi can be placed in known families of fungi but are unlike any species that live independently. 11. B The word splendid means excellent very good. 12. The new sentence should be inserted at the fourth black square in the passage Lichens are a partnership of .

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