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
24
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] 【C2】
选项
A、abundant
B、absurd
C、absent
D、abandoned
答案
A
解析
形近词的辨析,难度不大。abundant 表示“充足的,大量的”;absurd 表示“荒诞的,愚蠢的”;absent 表示“缺席的,未到的”;abandoned 表示“被遗弃的”;本句意思为“地球上有大量的水资源”。
转载请注明原文地址:https://tihaiku.com/zcyy/3009723.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
()经济平衡()经济复原[br]()自由经济
InflationInflation,asaneconomicphenomen
[originaltext]EversinceDonaldTrumpwaselectedthenextpresidentofthe
With950millionpeople,IndiarankssecondtoChinaamongthemostpopulous
民航运输的三种形式之一的班期飞行的特点是飞机( )A.按照班期时刻表飞 B.
小儿营养性缺铁性贫血脾胃虚弱的方药是( )。A.归脾汤 B.左归丸 C.参
以下滴丸基质中,可以采用水作冷凝剂的是A.甘油明胶B.聚乙二醇4000C.聚乙二
A.心肌能量利用障碍 B.心肌结构破坏 C.心室舒张功能障碍 D.心肌能量
治疗不寐四神聪用A.补法 B.平补平泻法 C.灸法 D.泻法
农村资金互助社社员要求退股的,农村小企业社员应提前()向理事会或经理提出,经批准
最新回复
(
0
)