|
e worldD.broken by waves scan after they are formed 参考答案： C 由第一段可知，冰山很少见是因为他们位于遥远的冰冷区域。----------------------------------------3The formation of an iceberg is most clearly analogous(类似的)to which of the following activities? ( ) A.Walking on soft new snow，causing it to become more compact and icy．B.Plowing large areas of earth land flat and barren．C.Skating across a frozen lake and leaving a trail behind．D.Blowing snow into one large pile to clear an area． 参考答案： A 冰山的形成过程类似于新下的柔软的雪花被脚步踩过后变得更结实成冰状。----------------------------------------4The expression“from above”in paragraph 5，refers to____________． ( ) A.sunlit seas B.polar regionsC.weight of mountains D.1ayers of ice and snow 参考答案： D 第五段中“从上面”是指上层的冰粒和雪粒。----------------------------------------5The attitude of the author toward icebergs is one of ____________ ． ( ) A.disappointment B.humorC.disintcrest D.wondPr 参考答案： D 作者对冰山的态度是好奇。disappointment失望；humor幽默；disinterest不感兴趣；wonder好奇。----------------------------------------1Which ofthe following is not true? ( ) A.Crude oil is found below land and water．B.Crude oil is always found a few hundred feet below the surface．C.Pumping and pressure force crude oil to the surface．D.A variety of petroleum products is obtained from crude oil． 参考答案： B 由第一段可知，原油存储于地下100英寸至25000英寸之间。----------------------------------------2Many thousands of hydrocarbon compounds are possible because____________． ( ) A.the petroleum products vary greatly in physical appearanceB.complicated refining processes rearrange the chemical structureC.the two atoms in the molecule assume many positionsD.the pressure needed to force it to the surface causes molecular transformation 参考答案： C 由第三
|
考试问吧
