9.In many parts of China, there still ________ the idea that boys are more important than girls.
A.existence
B.existed
C.is existing
D.exists
解析:选D。there exists ...“……在/存在”。由“still”一词可知,此处最佳时态应为一般现在时。
10.The fact that she was foreign made ________ difficult for her to get a job in that country.
A.so B.much
C.that
D.it
解析:选D。句意:她是外国人这个事实使她很难在那个国家找到工作。it是形式主语,真正主语是to get a job in that country。
Ⅲ.阅读理解
A
Edmund Halley was an English scientist who lived over 200 years ago.He studied the observations of comets (彗星) which other scientists had made.The orbit of one particular comet was a very difficult mathematical problem.He could not figure it out.Neither could other scientists who dealt with such problems.
However, Halley had a friend named Newton, who was a brilliant mathematician.Newton thought he had already worked out that problem, but he could not find the papers on which he had done it.He told Halley that the orbit of a comet had the shape of an ellipse (椭圆).
Now Halley set to work.He figured out (解决;计算出) the orbits of some of the comets that had been observed by scientists.He made a surprising discovery.The comets that had appeared in the years 1531, 1607, and 1682 all had the same orbit.Yet their appearances had been 75 to 76 years apart.
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