题型：问答题 简答题 从Ⅰ栏中选出与Ⅱ栏各句相对应的句子。Ⅰ( )1. Those plates aren't clean. ( )2. They can't find their way to the station.( )3. Where are his shoes? ( )4. My computer is broken. ( )5. The road is very busy. ⅡA. You'll have to buy a new one. B. We must cross it very carefully. C. We must clean them before mum comes back. D. They need to look at a map. E. Nobody knows. He can't find them. 查看答案
题型：问答题 简答题 湖泊、水库水量与总容积是随时间而变的，关于计算中的标准，正确的是（）。A.一般以年水量变化的频率为10%代表为多水年B.一般以年水量变化的频率为20%代表为多水年C.一般以年水量变化的频率为30%代表为中水年D.一般以年水量变化的频率为10%代表为少水年 查看答案