高一(2011-2012)下学期专项训练 单选(三)100题单选练习1 1. mary is often heard ________ playing piano in the next room in the evening. a. practise b. to practise c. practising d. practiced 2.violence (暴力) computer games may have a bad ____________ on children. a. affect b. pressure c. influence d. power 3. advertisements are a good __________ sell products or services. a. means to b. way of c. way to d. approach to 4. we tried to ______ his doubts and let him tell the truth. a. replace b. review c. remove d. rebuild 5. _______ the days going on, the weather is becoming hotter and hotter.