What is this passage mainly about? What is scientists’ attitude towards the future of Chad Lake?

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问题 What is this passage mainly about?
What is scientists’ attitude towards the future of Chad Lake?

选项 A、Pessimism.
B、Hopeful.
C、Indifferent.
D、Doubtful.

答案A

解析态度判断题关键语句:"Scientists say the problem is expected to worsen in the coming years as the population and demand for water continue to increase."且从贯穿全文的语气可以看出不抱乐观态度。

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大学英语六级

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What is this passage mainly about? What is scientists’ attitude towards the future of Chad Lake?

大学英语六级

Technologycompaniesusuallyfocustheiremployeebenefitsaroundmakingpeoplestayintheofficelonger:ping-pongtables,gam

Theholidaysarethemostwastefultimeoftheyear.Theamountofwasteproducedincreasesbymorethan25%fromThanksgivingt

Lifeexpectancyisrisinginmuchoftheworld.Butdoctorsareseeinganothertrendthatisdisturbing.Somepeoplearechoosin

A、Itisnotstable.B、Shemeetstoomanypeople.C、Shehatestobealawyer.D、Ithaslongworkinghours.D对话中男士说他听说女士要辞职，女士说是的，

Whenyouarewritingbusinessletters,youneedtonoticethefollowingtips:LimitThemtoOnePageBydefinition,busines

WearehonoredtobeinvitedtotheseminaroncomputertechnologytobeheldinBeijingnextmonth.

Whenyouopenyourelectronicmail,youmayfindinformationabouthowtobuymedicine,cheapairlinetickets,books,computerp

Careerdevelopment(general)______referstopersonaleffortsbyanemployeetolearnanddevelopnewskills.

IfeelthatIwouldhavemorescopeforpersonaldevelopmentinyourcompanyandthattheworkwillbemorechallengingforme.

Freud’sconceptsincluded______.AccordingtoFreud’sdevelopmentalconceptsatwhichstageofdevelopmentistheindividualLE

5个月婴儿，夜间烦躁不安，多汗，枕秃，有颅骨软化。血钙2mmol／L(8mg／dl)，血磷1．0mmol／L(3mg／dl)，碱性磷酸酶310U／L(金氏单位)。诊断及治疗应为下列哪组

慢性胃炎脾胃湿热证的治法是()

病毒性脑炎患儿，出现高热、头痛、恶心呕吐，神识不清，喉中痰鸣，颈项强直，烦躁不安，肢体抽搐，舌红绛，苔黄腻，脉数。治疗应首选的方剂是

男，75岁。进行性吞咽困难3月余，目前能进半流食，胃镜检查：食管距门齿20cm处发现一长约6cm菜花样肿物，病理报告为鳞状细胞癌，其最佳治疗方法为

员工生日聚会，工会组织的文娱活动、走访等活动，属于()。

研究显示，睡眠超过八小时的人的皮肤比通宵熬夜的人更加健康。一些金融工作者是通宵熬夜的人，部分体育工作者一直保持着超过八小时的睡眠。张玉是一名体育工作者。由此可以推出：

党的十九大首次把党的政治建设纳入党的建设总体布局，并强调“以党的政治建设为统领”“把党的政治建设放在首位”，凸显党的政治建设的极端重要性，这是党的建设理论和实践的重大创新。党的政治建设的首要任务是

设有如下关系表R：R(NO,NAME,SEX,AGE,CLASS)主关键字是NO其中NO为学号(数值型)，NAME为姓名，SEX为性别，AGE为年龄，CLASS为班号。写出实现下列功能的SQL语句。删除学号为20的学生记录：

Whereisthisconversationprobablytakingplace?

Cellscannotremainaliveoutsidecertainlimitsoftemperature,andmuchnarrowerlimitsmarkthebound-ariesofeffectivefunc