2017職稱英語考試理工C級概括大意精選題
2017年職稱英語考試開始備考啦,為了促進廣大考生學習的積極性,以下是yjbys網小編整理的關於職稱英語考試理工C級概括大意精選題,供大家備考。
概括大意|||下面的`短文後有2項測試任務:(1)第23—26題要求從所給的6個選項中為指定段落每段選擇1個標題;(2)第27-30題要求從所給的6個選項中為每個句子確定一個最佳選項。
閲讀材料,回答{TSE}題:
Geology and Health
1The importance of particular metals in the human diet has been realized within the past fewdecades, and the ideathat geology might be related to health has been recognized for anumber ofelements such as iodine, zincand selenium. For example, soils with low iodine contents producecrops, and animals deficient in iodine. alack of iodine in the human diet leads to some seriousdiseases.
2The ultimate source of metals within the human body is rocks,which weather into soil, gainingor losing some of their chemical constituents. The crops we eat selectively remove from the soil theelements that they require for growth. The water we drink contains trace elements leached fromrock and soil. Thus the geology and geochemistry of the environments have effects on the chemis-try and health of plants,animals and people.
3So far there is no datato suggest that people living on metal-rich soils experience apotentialhealth hazard. The levels of metals within naturally contaminated soils are generally not highenough to cause serious health problems. Living on metal-rich soils does not represent ahealthrisk unless large quantities of soil are digested or metal-rich dust is inhaled. However, small chil-dren are particularly exposed to metal-rich topsoil in playgrounds and gardens. They are also themost likely ones to eat potentially dangerous metal-rich soil.
4Heavy metals are persistent: they do not break down to other chemicals in the strially polluted sites usually undergo intensive clean-up and rehabilitation se heavymetals are ahealth concern once they enter the food chain. Some trace metals are alleged to causecancer and are also known to cause poisoning.
5In contrast,naturally contaminated soils have not been subject to risk assessment studies andrehabilitation measures, despite the fact that they frequently possess metal concentrations wellabove those of such polluted by humans and above environmental quality criteria.
6There is avital need to understand the potential risks and long-term health effects of living onnaturally contaminated soils. Future environmental investigations of naturally polluted soils shouldconcentrate on the potential pathways of metals into the food chain and human body. Geologist.,should be part of such studies as they can provide the essential background information on rocband soil chemistry as well as the chemical forms of heavy metal pollution.
{TS}Paragraph 1__________
evidence to indicate bad effects of naturally contaminated soil
B.Potential hazards of human contaminated soils
arch on channels of heavy metals getting into human food chain
ogy and health problems
s-the ultimate source of soil pollution
-term health effects on children
參考答案:D
參考解析:第一段點出主題,即某些金屬進入人類食譜可能與地質有關。
Paragraph 3__________
evidence to indicate bad effects of naturally contaminated soil
B.Potential hazards of human contaminated soils
arch on channels of heavy metals getting into human food chain
ogy and health problems
s-the ultimate source of soil pollution
-term health effects on children
參考答案:A
參考解析: 第三段涉及的是自然污染的土壤一般情況下對人體不會造成危害。此段首句就提示了這一點:“So far there is no datato suggest that people living on soils apotential heMth hazard.”
Paragraph 4__________
evidence to indicate bad effects of naturally contaminated soil
B.Potential hazards of human contaminated soils
arch on channels of heavy metals getting into human food chain
ogy and health problems
s-the ultimate source of soil pollution
-term health effects on children
參考答案:B
參考解析: 第四段説,受到工業污染的土壤含有重金屬,而重金屬很穩定,不容易分解。因此,某些微量重金屬被認為有可能與癌症有關,並引起中毒。
Paragraph 6__________
evidence to indicate bad effects of naturally contaminated soil
B.Potential hazards of human contaminated soils
arch on channels of heavy metals getting into human food chain
ogy and health problems
s-the ultimate source of soil pollution
-term health effects on children
參考答案:C
參考解析: 答案的依據是本段的第二句:“Future environmental investigations of naturally pollutedsoils should…into the food chain and human body.”
Some diseases is connected with deficiency of__________.
strially polluted soils
and soil chemistry
rally polluted soils
pathways of metals into the food chain
element of iodine
persistence of heavy metals
參考答案:E
參考解析: 第一段最後一句“ of iodine in the human diet leads to some serious disease.”是選擇E的依據。
It is extremely necessary to study the long-term effects caused by living on__________.
strially polluted soils
and soil chemistry
rally polluted soils
pathways of metals into the food chain
element of iodine
persistence of heavy metals
ABCDEF
參考答案:C
參考解析: 本題答案的依據是最後一段的第一句,即“There is avital need to understand the po-tential risks and long—term health effects of living on naturally contaminated soils.”
Geologists are indispensable in the research project on geology and health due to their knowl-edge on__________.
strially polluted soils
and soil chemistry
rally polluted soils
pathways of metals into the food chain
element of iodine
persistence of heavy metals
參考答案:B
參考解析: 全文都在論述重金屬的攝入可能會對人體健康產生有害影響。最後一段説到地質學家在解決調查這個問題能起到的作用。這個句子是:“Geologists should be part ofsuch studies as they can provide the essential background information on rock and soil y as well as the chemical forms of heavy metal pollution.”
Industrially contaminated sites usually require athorough clean-up due to__________.
strially polluted soils
and soil chemistry
rally polluted soils
pathways of metals into the food chain
element of iodine
persistence of heavy metals
參考答案:F
參考解析: 第四段涉及這一問題。受到工業污染的土壤含有重金屬,而重金屬很穩定,不容易降解,所以,要對重金屬進行徹底的清除。
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