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课时作业(十五) [必修模块5 Unit 3 Science and nature] [限时：30分钟] Ⅰ.语法填空 1．What ________ if the earth were to stop turning? A．will happen B．happens C．happened D．would happen 2．Computers are very popular now，but years ago no one could have imagined the role in the society that they ________. A．were playing B．were to play C．had played D．played 3．Changes made to the construction laws in Sichuan have strengthened the province’s buildings and highways，________ them more resistant ________ quakes. A．making；for B．to make；for C．made；against D．making；to 4．I don’t want to buy the dictionary，________， it is too expensive；________ I don’t have enough money with me at present. A．Because；and B．At first；then C．On one hand；on the other hand D．On the hand；on other hand 5．________ passengers survived in the traffic accident except a woman and two children. A．The most B．Majority of the C．Most of | 
