【正文】 . a) So b) Therefore c) Due to d) Because8. __________ Canada has legalized hemp farming, we can expect to see pulp and paper produced from hemp very soon. a) Therefore b) Due to c) So d) AsCritical Reading ExerciseThis is a multiplechoice exercise. There is no time limit.Critical Reading ExerciseCritical reading is the ability to evaluate the credibility of a piece of writing. All writers have a purpose when they write, and usually, a writer will choose or emphasize facts and details which support his or her purpose, and ignore facts which don39。 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。 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) FalseThis 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。However, there is a problem: hemp is illegal in many countries of the world. This plant, so useful for fibre, rope, oil, fuel and textiles, is a species of cannabis, related to the plant from which marijuana is produced. In the late 1930s, a movement to ban the drug marijuana began to gather force, resulting in the eventual banning of the cultivation not only of the plant used to produce the drug, but also of the mercial fibreproducing hemp plant. Although both George Washington and Thomas Jefferson grew hemp in large quantities on their own land, any American growing the plant today would soon find himself in prison despite the fact that marijuana cannot be produced from the hemp plant, since it contains almost no THC (the active ingredient in the drug).Hemp has been cultivated by many cultures for thousands of years. It produces fibre which can be made into paper, fuel, oils, textiles, food, and rope. For centuries, it was essential to the economies of many countries because it was used to make the ropes and cables used on sailing ships。 scientists estimate, for example, that 137 species of plant, insect or a