C. Having waited

　　D. To have waited

　　13. As I waited for Mike to arrive, I　the clock and saw that he was late.

　　A. glanced at

　　B. stared at

　　C. glared at

　　D. watched

　　14. There are　approaches to English teaching. But not all of them are equally efficient for our Chinese students.

　　A. variety B. accurate

　　C. original

　　D. diverse

　　15. —Do you agree with what he said?

　　—Yes, ! It can’t be.

　　A. approximately; better B. absolutely; better

　　C. relatively; worse

　　D. fortunately; worse

　　Ⅱ. 阅读理解

　　An annoying problem for humans, who like to boast about all the distant planets and moons we have explored, is that we’ve never taken a good look right under our noses. The inside of the earth is relatively close, but how can we get there?

　　The deepest oil well enters only six miles into the crust(the center of the earth is about 4, 000 miles deeper). Russian scientists dug the deepest hole in Siberia, but bottomed out at about 7. 5 miles below the surface. The Mohole project, a U. S. plan in the 1950s, called for drilling a hole 25 miles down to the boundary between the hard rocks of the crust and the soft mantle. Sadly the project involved government supporting.

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