问题
选择题
John likes playing soccer very much and he ___about one hour playing it every day. [ ]
A.spent
B.will spend
C.has spent
D.spends
答案
答案:D
John likes playing soccer very much and he ___about one hour playing it every day. [ ]
A.spent
B.will spend
C.has spent
D.spends
答案:D
水是人及一切生物生存所必需的资源,但全国各地区水资源分布不均衡,如湖北地区就属于水资源轻度缺乏地区.因此,为了可持续发展,我们要节约用水,防止水体污染.请认真阅读下表和下图.然后回答有关问题.
我国首都北京属于水资源______缺乏地区,针对这一实际问题,请你提出一条可行的解决措施______(要求:不要重复题中已有的措施).
我国部分地区人均水量
紧缺型 | 人均水量(m3) |
轻度缺水 | 1700~3000 |
中度缺水 | 1000~1700 |
中度缺水 | 500~1000 |
极度缺水 | <500 |