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
12
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] 【C1】
选项
A、stance
B、substance
C、composition
D、material
答案
B
解析
近义词辨析。这里的句子要表达的意思是“水对于所有的生命形式都是必需的物质”,空白处需要的是表示“物质”的一个单词;stance 表示的是某人对某件事情的观点和立场;composition 表示的是作曲,绘画或者某物的组成部分;material 可以表示物质,一般指用来制作其他东西的原材料; substance 在表示“物质”的含义时是最为一般意义上的,其英文解释"a particular type of solid,liquid, or gas" 说明了这一点。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3009722.html
相关试题推荐
Howmanyofyoudrinkcola?Nearlyeverybody.Didyouknowthatcolastarted
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
随机试题
Everyminuteofeveryday,whatecologistJamesCarltoncallsaglobal"conve
ApprenticeshipshavelongbeenpopularinEurope,butworkforce-orientedhig
以下关于增持上交所上市公司股份的行为,符合相关规定的有()。 Ⅰ.上市公司副总
艾氏波浪理论的缺点() Ⅰ.难以理解应用 Ⅱ.面对同一个形态。相同的人会
某公司每年需消耗A材料36吨,每吨材料年存储成本为30元,平均每次进货费用
女,25岁,外阴瘙痒伴阴道分泌物增多2个月。检查见阴道内多量匀质、稀薄、灰白色分
在商业银行()时,中国银监会可以对商业银行实行接管。A.严重违法经营 B.
(2021年真题)根据《中共中央国务院关于深化医疗保障制度改革的意见》,力争到2
资料分析方法和统计分析方法
胎心减速出现在宫缩高峰后,下降慢,持续时间长,恢复慢,提示( )。A.胎儿缺氧
最新回复
(
0
)