Petroleumis a very important mineral. It gives us heat and light. It gives us power for our cars, planes, and ships. Also, it gives us power for machines of all kinds.
How is petroleum formed? Scientists believe petroleum es from the remains of plants and animals (Remains are what is left after a plant or animal has died.)
What exactly is petroleum? Petroleum is a mineral that is a mixture of hydrocarbons. It is an oily liquid, which may be brown, green, or black in colors. The word “petroleum” es from Greek. It means “rock oil”.
Crude (天然的, 未加工的) oil is petroleum that es directly from deep in the ground. It is then taken to a refinery. a refinery is a kind of factory to refine oil. At a refinery the crude oil is separated into many parts. From the refined petroleum we get important things, such as gasoline, kerosene, fertilizer, detergents and a lot of other useful things. In fact, there are thousands of such things that we can get. Petroleum really is of great value!
【小题1】Which of the following is Not true?A．“ Petroleum” is a German word.B．“Petroleum” suggests “ ing from rocks”.C．“ Petroleum” isn’t an English word in the original.D．“Petroleum” is of Greek origin.【小题2】Which of the following is true?A．We can kill animals and plants, and get petroleum by burning them us.B．Over a very long period of time, under certain conditions, dead trees and bodies of animals were turned into petroleum under great pressure.C．Petroleum is a kind of metal mineral like copper（铜）or iron.D．Petroleum has three states.【小题3】The word “refine” in the 4th paragraph can be replaced by “ ”.A．get unmixed with other substancesB．divide into separate partsC．get mixed with other substancesD．choose the best substance【小题4】 Which of the following might be the best title for the passage?A．An Important Source of Energy.B．Petroleum and Its Uses.C．Where Does Petroleum Come From?D．A Special Rock Oil.【小题5】This passage is most likely taken from .A．a fairy taleB．a novelC．a popular science magazineD．a scientist’s diaryA
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(答案→)A
解析：
【小题1】.推测题。根据文章对 “Petroleum” 一词词源的解说即源于希腊，故选 A。
【小题2】概括题。根据原文油形成的原理，即数千万年前的植物和动物的尸体，故选B。
【小题3】猜词题。“refine” 一词根据本文为“提纯”意为不与其他物质混合，故选A。
【小题4】主旨大意题本文主要叙述了石油是当今人们的重要能源和提炼出不同的对人类有用的许多物质，故选A 。
【小题5】推测题。本文属科普文章，故选 C。