A industrially polluted soils B rock and soil chemistry C naturally polluted soils D the pathways of metals into the food chain

admin2016-07-17 22

问题 A industrially polluted soils
B rock and soil chemistry
C naturally polluted soils
D the pathways of metals into the food chain
E the element of iodine
F the persistence of heavy metals
Industrially contaminated sites usually require a thorough clean-up due to______.

选项

答案F

解析第四段涉及这一问题。受到工业污染的土壤含有重金属，而重金属很稳定，不容易降解，所以，要对重金属进行彻底的清除。

转载请注明原文地址:https://kaotiyun.com/show/QCQd777K

本试题收录于：职称英语理工类C级题库职称英语分类

职称英语理工类C级

职称英语

相关试题推荐

HowtoInterviewPeopleInterviewing(采访)isoneofthoseskillsthatyoucanonlygetbetterat.Youwillneveragainfeels
Intherecentpast,medicalresearchershaveshownthatheartdiseaseisassociatedwithcertainfactorsinourday-to-daylives
Intherecentpast,medicalresearchershaveshownthatheartdiseaseisassociatedwithcertainfactorsinourday-to-daylives
Theprospectsfortreatingcysticfibrosisbygenetherapyarelookingbrighterfollowingsuccessfultestswithasafertypeof
Peoplearoundtheglobehittheheightoftheirmiseryanddepressionin(51)age,anewinternationalstudysuggests.The
Everyexperienceteachesthepeoplesomethingandtheeffectsarecumulative.
IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenareoldenough,theytake
Johnhasmadeuphismindnottogotothemeeting.
Thechairman(proposed)thatwestopthemeeting.

随机试题

在狭长的容器或管道内焊接，通常可以通空气或氧气，防止焊工缺氧窒息。()
已知曲线y=f(x)经过原点，并且在原点处的切线平行于直线2x+y—3=0，若f′(x)=3ax2+b，且f(x)在x=1处取得极值，试确定a，b的值，并求出函数y=f(x)的表达式。
遗精频作，甚至滑精已经2年，伴有头昏目眩，耳鸣腰酸，脉细弱，尺脉尤甚等症，多属于
某热水锅炉房，系统内部的压力损失为15mH2O，锅炉房至最不利用户的供回水管的压力损失为20mH2O，最不利用户内部系统的压力损失为10mH2O，取安全系数为1.15。则该热水锅炉房所需循环水泵的扬程为()。
“备案号”栏：()。“装货港”栏：()。
下列关于大额存单业务的相关表述，有误的是()。
估计交易性金融资产的公允价值持续下跌的，应当计提减值损失。()
有些幼儿看多了电视上的打打杀杀镜头，很容易增加其以后的攻击性行为。在此，影响幼儿攻击性行为的因素主要是()。
被称为“六三三学制”的是
Overthepastcentury,allkindsofunfairnessanddiscriminationhavebeencondemnedormadeillegal.Butoneinsidiousformco

最新回复(0)

A industrially polluted soils B rock and soil chemistry C naturally polluted soils D the pathways of metals into the food chain

职称英语理工类C级

职称英语

HowtoInterviewPeopleInterviewing(采访)isoneofthoseskillsthatyoucanonlygetbetterat.Youwillneveragainfeels

Intherecentpast,medicalresearchershaveshownthatheartdiseaseisassociatedwithcertainfactorsinourday-to-daylives

Intherecentpast,medicalresearchershaveshownthatheartdiseaseisassociatedwithcertainfactorsinourday-to-daylives

Theprospectsfortreatingcysticfibrosisbygenetherapyarelookingbrighterfollowingsuccessfultestswithasafertypeof

Peoplearoundtheglobehittheheightoftheirmiseryanddepressionin(51)age,anewinternationalstudysuggests.The

Everyexperienceteachesthepeoplesomethingandtheeffectsarecumulative.

IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenareoldenough,theytake

Johnhasmadeuphismindnottogotothemeeting.

Thechairman(proposed)thatwestopthemeeting.

在狭长的容器或管道内焊接，通常可以通空气或氧气，防止焊工缺氧窒息。()

已知曲线y=f(x)经过原点，并且在原点处的切线平行于直线2x+y—3=0，若f′(x)=3ax2+b，且f(x)在x=1处取得极值，试确定a，b的值，并求出函数y=f(x)的表达式。

遗精频作，甚至滑精已经2年，伴有头昏目眩，耳鸣腰酸，脉细弱，尺脉尤甚等症，多属于

某热水锅炉房，系统内部的压力损失为15mH2O，锅炉房至最不利用户的供回水管的压力损失为20mH2O，最不利用户内部系统的压力损失为10mH2O，取安全系数为1.15。则该热水锅炉房所需循环水泵的扬程为()。

“备案号”栏：()。“装货港”栏：()。

下列关于大额存单业务的相关表述，有误的是()。

估计交易性金融资产的公允价值持续下跌的，应当计提减值损失。()

有些幼儿看多了电视上的打打杀杀镜头，很容易增加其以后的攻击性行为。在此，影响幼儿攻击性行为的因素主要是()。

被称为“六三三学制”的是

Overthepastcentury,allkindsofunfairnessanddiscriminationhavebeencondemnedormadeillegal.Butoneinsidiousformco