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Ⅰ.单项填空 1．One of the best ways for people to keep fit is to ________healthy eating habits. A．growB．develop C．increase D．raise 2．People’s political beliefs are often ________ by what they read in newspapers. A．made B．produced C．shaped D．took 3．—Henry，________ the light is ________ when you leave the lab. —All right. A．be sure；turned on B．make sure；turned off C．sure；turning off D．make sure；turning off 4．—I have just had my watch repaired. —How much did they ________ for that? A．cost B．charge C．spend D．consider 5．—Is it true Jack ________？ —Exactly.He damaged a very expensive machine. A．got fired B．got a fire C．get fired D．fired 6．There is no ________ to what you can do if you try. A．number B．wonder C．limit D．matter 7．It is difficult to ________ what the long－term effects of the accident will be. | 
