题目

 Lukeon the leg by a bad man. Now he is in hospital. A. kicks                     B. kicked C. is kicked                D. was kicked 答案：D。考查时态和语态。根据后句的Now可知前句的动作应发生在过去, 故用一般过去时。又因主语和谓语之间为被动关系, 故选D。设y=f（x）是偶函数，对于任意正数x都有f（x+2）=-2f（2-x），已知f（-1）=4，则f（-3）等于（　　）A．2B．-2C．8D．-8