下列用水过程中,会造成浪费的是[ ]
A.用口杯接水刷牙
B.改漫灌为喷灌、淋灌或滴灌
C.工业用水重复利用或循环利用
D.洗衣机不间断注水冲洗衣服
答案:D
用所给词的适当形式填空。
1. Most children enjoy _____ (see) the movie.
2. Thank you for _____ (tell) me the good news.
3. All the runners get ready _____ (run).
4. Our teachers always make us _____ (listen) carefully in class.
5. He _____ (not finish) his homework yet.
渣焊是用()和()联合组成电极的。
A.极板
B.丝板
C.钢板
D.合金属