Write the words in the boxes. (给单词分类) twenty big elephant small zebra bear apple orange eleven short long giraffe 1. monkey _____________________ 2. sixteen ______________________ 3. tall _________________________ 4. pear ________________________
【简答题】将下列段落翻译成中文 In the 21st century, we cannot emphasize too much the importance of energy. The utilization of traditional energy had done adverse impact on human society, and we had to exploit clean and r...