首页
登录
职称英语
Water is tasteless, odorless, and nearly colorless (it has a slight hint of
Water is tasteless, odorless, and nearly colorless (it has a slight hint of
游客
2023-09-13
23
管理
问题
Water is tasteless, odorless, and nearly colorless (it has a slight hint of blue). It is a【C1】______ that is essential to all known forms of life in its pure form. Water is【C2】______ on Earth. It exists in many places and forms. It appears mostly in the oceans and polar ice caps, but also【C3】______ clouds, rain water, rivers, freshwater aquifers, and sea ice. On the planet, water is【C4】______ moving through the cycle involving evaporation, precipitation, and runoff to the sea.
Water fit for human【C5】______ is called potable water. This natural resource is becoming【C6】______ in certain places as human population in those places increases, and its availability is a major social and economic【C7】______ .
Drinking water is water that is intended to be drunk by humans. Water of【C8】______ quality to serve as drinking water is called potable water whether it is used as such or not. Although most fresh water sources are drinkable【C9】______ humans, they can be a disease vector or cause long-term health problems if they do not【C10】______ certain water quality guidelines.
Most nations have water quality regulations for water sold as drinking water, although these are often not strictly【C11】______ outside of the developed world. Virtually all municipal water systems deliver a single quality of water, whether it is to be used for drinking, washing or landscape irrigation.
In the United States, public drinking water is【C12】______ by the Safe Drinking Water Act (SDWA). Among other【C13】______ , it protects the right of employees to report potential【C14】______ . Within 30 days of any retaliation, a whistleblower can file a complaint with the Occupational Safety and Health Administration (OSHA).
So far【C15】______ bacterial is concerned, the usual test is for a count of (more often than not harmless) bacteria, it【C16】______ that these serve as an indication of water pollution.
Water purification is the removal of contaminants from【C17】______ water to produce drinking water that is pure enough for humans. Many contaminants can be dangerous —but【C18】______ the quality standards, others are removed to improve the water’s smell,【C19】______ , and appearance.
It is not possible to tell whether water is safe to drink just by looking at it. Simple procedures such as boiling are not sufficient for treating water from an unknown source. Even natural spring water —【C20】______ safe for all practical purposes in the 1800’s —must now be tested before determining what kind of treatment is needed. [br] 【C13】
选项
A、subtitles
B、provisions
C、providence
D、subjection
答案
B
解析
A表示“副标题,字幕”;B可以作为provide 的名词形式,表示“提供,供给”,还可以表示“(法律,和约等的)条款”,这里取的就是它的这个意思;C 是provide 的另一种名词形式,表示“提供”; D表示“受人控制”,我们可以结合subject 来理解这个词,subject 除了我们熟悉的“科目”的意思之外,还可以表示名词性的“臣民”,“实验对象”与动词性的“使……受……的影响和支配”如:subject A to B。
转载请注明原文地址:https://tihaiku.com/zcyy/3009734.html
相关试题推荐
Howmanyofyoudrinkcola?Nearlyeverybody.Didyouknowthatcolastarted
Howmanyofyoudrinkcola?Nearlyeverybody.Didyouknowthatcolastarted
Howmanyofyoudrinkcola?Nearlyeverybody.Didyouknowthatcolastarted
Howmanyofyoudrinkcola?Nearlyeverybody.Didyouknowthatcolastarted
Howmanyofyoudrinkcola?Nearlyeverybody.Didyouknowthatcolastarted
Wateristasteless,odorless,andnearlycolorless(ithasaslighthintof
Wateristasteless,odorless,andnearlycolorless(ithasaslighthintof
Wateristasteless,odorless,andnearlycolorless(ithasaslighthintof
Wateristasteless,odorless,andnearlycolorless(ithasaslighthintof
Wateristasteless,odorless,andnearlycolorless(ithasaslighthintof
随机试题
Acollisionbetweenanaircraftandoneormorebirdsistermedabird-strik
Forthispart,youareallowed30minutestowriteanessaycommentingonth
FeedingtheMassesaLoadofManureTheGreenR
为节省试验室面积,水泥比表面积试验与水泥胶砂成型试验可安排在同一环境条件下进行。
患者,女,42岁,反复晕厥,心脏超声见左房内有雾状团块,活动于左房与左室之间。该
无吸收过程的给药途径A:口服 B:气雾吸入 C:静脉注射 D:经皮给药
(2017年真题)根据批准的初步设计安排单位工程的开竣工日期,属于建设工程进度计
下列合同风险中,属于按风险来源性质划分的有()。A.国别风险 B.商务风险
公共广播系统通过网络接口从()系统的数据库中获取航班信息、计划等。A.运行资源管
A.速发型超敏反应 B.迟发型超敏反应 C.抗体刺激型超敏反应 D.细胞毒
最新回复
(
0
)