46. A. find B. add C. explore D. mix

　　47. A. mistaken B. misunderstood C. misleading D. misreading

　　48. A. Laws B. Notices C. Products D. Inventions

　　49. A. nearby B. hot C. underground D. overflowing

　　50. A. with B. besides C. before D. over

　　51. A. consider B. trust C. doubt D. ensure

　　52. A. supplies B. pipes C. pollution D. shortage

　　53. A. producers B. risk C. elements D. quality

　　54. A. normally B. regularly C. repeatedly D. instantly

　　55. A. enough B. excellent C. expensive D. ideal

　　56. A. collected B. boiled C. changed D. tested

　　57. A. use B. value C. service D. importance

　　58. A. run B. flow C. fill D. boil

　　59. A. improve B. discover C. limit D. solve

　　60. A. shallow B. off C. slow D. on

　　任务型阅读（共10小题；每小题1分，满分10分）

　　请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。

　　Every year there are hundreds of earthquakes in different parts of the world. In Sept.1923, Tokyo and Yokohama were both destroyed by an earthquake and the fires that followed it. They had to be completely rebuilt. One of the most serious earthquakes was in China's Shanxi Province in 1556. It killed almost one million people.

　　We measure an earthquake's strength on the Richter scale. The Richter scale was introduced in 1935 in Southern California in the USA. It measures earthquakes on a scale of one to ten. Any earthquake measuring five or more is usually serious.

The earth's crust (地壳) is made up of layers of rock called plates. As these plates move, they sometimes crash against each other, causing the crust to quake. In cities such as Tokyo, where small quakes happen quite often, many modern buildings are designed to be flexible so when the earth