第7题: [单项选择]无尿的定义为() A. 完全无尿 B. <100ml C. <200ml D. <400ml E. <500ml 参考答案:B
第8题: [单项选择]If you have never planted anything, you won't be able to know the pleasure of watching the thing you have planted ______. A. grow B. to grow C. growing D. to be growing 参考答案:A 答案解析:[考点] 考查非谓语动词。 watch sb.do sth.意为“观察某人做某事/做了某事”;watch sb.doing sth.意为“观察某人正在做某事”。根据句意可知,本句强调的是事实