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istory __________ its versatility。 so introduces an effect. These are used to join two plete sentences (or independent clauses) together. They are often used like this:First sentence, conjunction second sentence.I stayed at home, because it was raining.It was raining, so I stayed at home.You can also reverse the order of the sentences with because, as, and since:Because it was raining, I stayed at home.Note that this is not possible with so. TransitionsThe most important conjunctions are therefore, consequently, and as a result. All of these introduce an effect. These are used to join two plete sentences (or independent clauses) together. They are often used like this:First sentence。s equivalent to two football fields.What does equivalent to mean? a) more than b) less than c) the same as2. In British Columbia, where, since 1990, thirteen rainforest valleys have been clearcut, 142 species of salmon have already bee extinct.What does clearcut mean? a) a few trees have been cut down b) many trees have been cut down c) all the trees have been cut down3. Logging, however, provides jobs, profits, taxes for the govenment and cheap products of all kinds for consumers, so the government is reluctant to restrict or control it.What does reluctant mean? a) doesn39。 ropes were made from it. b) Hemp was a very profitable export. c) Hemp was used as fuel for ships. d) Hemp was used as food for sailors.5. Why do agriculturalists think that hemp would be better for paper production than trees? a) It is cheaper to grow hemp than to cut down trees. b) More paper can be produced from the same area of land. c) Hemp produces higher quality paper.6. When was hemp production banned in Canada? a) 1930 b) 1960 c) 1996 d) 19387. Why was hemp banned? a) It is related to the marijuana plant. b) It can be used to produce marijuana. c) It was no longer a useful crop. d) It was destructive to the land.8. What chemical ingredient of cannabis plants is a powerful drug? a) Fibre b) Marijuana c) THC9. True or false: Some activists believe that both marijuana and hemp should be legal. a) True b) False10. True or false: Canada has just legalized marijuana. a) True b) FalseThis is a multiplechoice exercise on some of the vocabulary from the reading passage.MultipleChoice QuestionsClick on the answer you think is correct. (3m)1. Every second, 1 hectare of the world39。 this group wants to make it legal to cultivate the plant and sell the fibre for paper and pulp production. This second group has had a major triumph recently: in 1997, Canada legalized the farming of hemp for fibre. For the first time since 1938, hundreds of farmers are planting this crop, and soon we can expect to see pulp and paper produced from this new source.SkimmingThis exercise practices skimming that means reading very fast to find only the main ideas of a text. (2 m)QuestionsSelect the answer you think is correct.1. The main idea of paragraph one is:A. Scientists are worried about New York CityB. Logging is destroying the rainforestsC. Governments make money from loggingD. Salmon are an endangered species 2. The main idea of paragraph two is:A. Canadian forests are especially under threatB. Hemp is a kind of plantC. Canada is a major supplier of paper and pulpD. Canada produces a lot of hemp 3. The main idea of paragraph three is:A. Paper could be made from he