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Unit 15 Learning Ⅰ.单项填空 1．Evidence obtained from observation and experiment is often used to________a scientific theory. A．confirm B．conclude C．consult D．confuse 答案 A [考查动词辨析。句意：由观察和实验所获得的证据经常被用来确认一项科学理论。confirm确认；conclude结论，推断；consult咨询；confuse迷惑。根据句意可知，A项正确。] 2．With no better way to express feelings of love and________，it’s easy to see why everyone turns to a flower shop on Mother’s Day. A．appreciation B．inspiration C．satisfaction D．ambition 答案 A 考查名词。appreciation感激，欣赏；inspiration激励；satisfaction满足，满意；ambition抱负，野心。句意为：因为没有更好的表达爱和感恩的方式，这就很容易明白为什么在母亲节大家都去花店。 3．Nobody suspected you________cheated in the exam. A．to have B．with having C．of having D．have 答案 C [考查动词搭配。suspect sb of doing sth为常用搭配，意为“怀疑某人做某事”。] 4．—Why didn’t you say hello to him last night? | 
