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课时作业(九) 必修2 Unit 4 Wildlife protection Ⅰ.单项填空 1．In almost every supermarket it’s easy for us to find carrots________a lot of vitamins，which are good for our health. A．holding B．keeping C．including D．containing 2．You needn’t have taken a taxi.Why didn’t you catch the last bus________I told you? A．as B．because C．when D．until 3．In my opinion，our school nowadays is much more powerful than________. A．that used to be B．it is used to C．it was used to D．it used to be 4．(2010·青岛模拟)Most children need encouragement in time of failure________they can cheer up again. A．so that B．in case C．because D．if 5．The teacher suggested that much attention should________the spelling mistakes. A．pay for B．pay to C．be paid for D．be paid to 6．________experts’opinions，they gave up the experiment immediately. A．According to B．As a result of C．Instead of | 
