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Unit 1 Great scientists 一、请根据各句上下文的意义，选择正确的单词填入空白处。 第一组：movement, construction, theory, cure, absorb, engine, positive, contribute, characteristic, control 1 The new tunnel hasnt been finished; it is still under _________. 2 It is said that this kind of new medicine can _________ people of heart disease. 3 _________ are to machines what hearts are to animals. 4 As we know, exercise _________ to better health. 5 The hotel fire was completely under _________ the moment the firemen arrived. 6 The need to communicate is a key _________ of human society. 7 I am a witness. I am _________ about what time it happened. 8 He seemed totally _________ in that book. When I came in he didnt notice me at all. 9 According to the _________ of relativity, nothing travels faster than light. 10 Wearing loose clothing gives you greater freedom of _________. 第二组：handle, serve, enthusiastic, scientific, analyse, complete, blame, valuable, spin, conclude 11 She is a ________ woman who never smiles. 12 They didnt draw a conclusion until carrying out lots of ________ experiments. 13 It came as a _________ surprise to me. I never thought of that. 14 This kind of gold watch is really _________. It costs a lot of money to buy one. | 
