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课时作业(十八) [必修4 Unit 3 A taste of English humour] [限时：35分钟] Ⅰ.单项填空 1．In face of ________ failure, it is the most important to keep up ________ good state of mind. A．a; / B．/; a C．the; / D．/; the 2．Mr. Smith is one of our restaurant's ________ customers. A．ordinary B．regular C．normal D．common 3．In Copenhagen, the UN Climate Conference grew more tense and divisive as the developing countries didn't trust the promises made by the industrial countries to ________ greenhouse gas emission(排放)． A．cut out B．cut down C．cut off D．cut up 4．The great millionaire gave away all his fortune to the charity and lived a simple life, ________. A．happy and content B．happily and content C．happily and peaceful D．happy and peace 5．Scientists are convinced ________ the positive effect of laughter ________ physical and mental health. A．of; at B．by; in C．of; on D．on; at 6．Unfortunately, a fire broke out suddenly in his house and burnt all his ________， leaving him nothing but a car. | 
