Part IV 完形填空

Cloze (10 points) choices marked A,B,C,and D.Choose the best answer for each blank and mark your answer on the Answer Sheet. Millions of years ago, a volcano (火山) builtamountain on the floor of the Atlantic. In eruption after eruption, it 46 upagreat pile of volcanic rock, until it had accumulated a massahundred miles across at its base, reaching 47 toward the surface of the sea, emerging as an island of about two hundred square miles. Thousands of years passed, and thousands of thousands. 48 the waves of the Atlantic reduced it toasmall fragment above water. This fragment we know 49 Bermuda. With variations, the life story of Bermuda has been repeated by almost every one of the 50 that interrupt the watery expanses of the oceans far from land. These 51 islands in the sea are fundamentally different from the continents. The major land masses and the ocean basins 52 are much as they have been throughout the greater part of geologic time. But islands are created today, destroyed tomorrow. They are the 53 of the violent, explosive, earth-shaking eruptions of submarine volcanoes, working perhaps for millions of years to achieve their end. Islands have always 54 much attention. Our imaginations can follow its shapes down through darkening waters to 55 it rests on the sea floor. We wonder why and how it rose here in the midst of the ocean.

46. A washedB liftedC pushedD moved
47. A upwardB downwardC forwardD backward
48. A SuddenlyB AdmittedlyC PracticallyD Eventually
49. A byB likeC asD of
50. A rocksB islandsC landsD seas
51. A forgottenB man-madeC lostD isolated
52. A todayB yesterdayC tomorrowD once
53. A causeB problemC resultD change
54. A attackedB arrestedC attachedD attracted
55. A whatB whereC howD when