A new study warns that about thirty percent of the world’s people may not have enough water by the year 2025.
A private American organization called Population Action International did the new study. It says more than three-hundred-thirty-five-million people lack enough water now. The people live in twenty-eight countries. Most of the countries are in Africa or the Middle East.
Mr. Engelman says the population in countries that lack water is growing faster than in other parts of the world. He says population growth in these countries will continue to increase.
The report says lack of water in the future may result in several problems. It may increase health problems. Lack of water often means drinking waters not safe. Lack of water may also result in more international conflict. Countries may have to compete for water in the future. Some countries now get sixty percent of their fresh water from other countries. This is true of Egypt, the Netherlands,
A. there is not enough water on earth
B. the demand for water keeps increasing; the amount of water remains the same
C. population growth in some courtiers continues to increase
D. the population in countries that lack water is growing fast
员工编号 (employeeID) | 员工姓名 (name) | 部门 (department) | 职务 (position) |
001 | 李蕾 | 仓储部 | 组长 |
002 | 张明 | 仓储部 | 组长 |
003 | A. CREATE TABLE (employee ID CHAR(2)NOTNULL UNIQUE， B. CREATE warehouse(warehouse ID CHAR(2)PRIMARY KEY， C. CREATE TABLE warehouse(warehouse ID CHAR(2)PRIMARY KEY， D. CREATE TABIE warehouse(warehouse ID CHAR(2)， [单选题]带式输送机司机在开车前应将机器空运转()，检查胶带接头是否完整，胶带是否跑偏，张紧程度是否正常，托辊转动是否灵活。
A.1周 B.4周 C.2周 D.3周 [单选题]下列集团短信发送场景，中国移动云MAS平台可以支持的是（ ）。
A.模板短信，动态短信 B.短信答题，短信投票 C.节日短信，日程提醒 D.以上都是 [判断题]无缝线路应力放散时,长钢轨的放散量与钢的线膨胀系数无关。( )
A.正确 B.错误 [单项选择]男，23岁，某农药厂包装工，因事故农药喷洒一身，2h后出现头痛、头晕、嗜睡、恶心、发绀，继之出现昏迷及少尿、血尿。查体：双侧瞳孔3mm，两肺可闻及少许干、湿啰音，心率110次/分，心脏听诊可闻及早搏。尿常规：RBC（+++），WBC（++），蛋白（++），镜下可见颗粒管型。为确诊应首选哪一项实验室检查（）
A. 血胆碱酯酶活力测定 B. 尿中4-氯-邻甲苯胺含量测定 C. 血清单胺氧化酶测定 D. 血中高铁血红蛋白测定 E. 肝、肾功能测定 [单选题]在地面（ ）m以上的高处及陡坡上作业，必须戴好安全帽、系好安全带或安全绳，不准穿带钉或易溜滑的鞋。
A.2 B.3 C.4 D.5 [判断题]( )RW11—10型跌落式熔断器不能带负荷分合闸。
A.正确 B.错误 [单选题]立正是消防救援人员的基本姿势,是队列动作的基础。动作要领是两脚跟靠拢并齐，两脚尖向外分开约( )度。
A.40 B.50 C.60 D.70 我来回答: 提交
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