TAILIEUCHUNG - Longman Complete Course for the Toefl Test: Preparation for the CBT and PBT 41

Longman Complete Course for the Toefl Test: Preparation for the CBT and PBT 41. This course gives students the skills, strategies, practice and confidence they need to increase their scores on all sections of the TOEFL Test, including the Test of Written English. This edition reflects the revised TOEFL, first administered in July 1995, and skill coverage has been expanded for all sections. Volume A explains and practices key language points so that students improve their language proficiency as well as their test-taking skills. Clearly defined steps, pre- and post-tests and TOEFL exercises guide students in improving TOEFL strategies and. | 8. Look at the word contested in paragraph 3. Click on the word or phrase in paragraph 4 that is closest in meaning to contested. 9. It can be determined from the passage that of the following dates the Battle of New Orleans was most probably fought on December 10 1814 on December 24 1814 on January 1 1815 on January 8 1815 0000 10. The following sentence could be added to paragraph 4. These . troops were in fortified entrenchments outside the city. Where would it best fit into the paragraph Click on the square to add the sentence to the paragraph. 11. Click on the paragraph that describes the battle that took place after the signing of the treaty. 352 READING PASSAGE TWO Questions 12-21 Although only a small percentage of the electromagnetic radiation that is emitted by the Sun is ultraviolet UV radiation the amount that is emitted would be enough to cause severe damage to most forms of life on Earth were it all to reach the surface of the earth. Fortunately all of the Suns ultraviolet radiation does not reach the earth because of a layer of oxygen called the ozone layer encircling the earth in the stratosphere at an altitude of about 15 miles above the earth. The ozone layer absorbs much of the Suns ultraviolet radiation and prevents it from reaching the earth. Ozone is a form of oxygen in which each molecule consists of three atoms O3 instead of the two atoms 02 usually found in an oxygen molecule. Ozone forms in the stratosphere in a process that is initiated by ultraviolet radiation from the Sun. UV radiation from the Sun splits oxygen molecules with two atoms into free oxygen atoms and each of these unattached oxygen atoms then joins up with an oxygen molecule to form ozone. UV radiation is also capable of splitting up ozone molecules thus ozone is constantly forming splitting and reforming in the stratosphere. When UV radiation is absorbed during the process of ozone formation and reformation it is unable to reach Earth and cause damage there. Recently .

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