欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

A. worthy                     B. wise                         C. sword               D. wildlife

A. worthy                     B. wise                         C. sword               D. wildlife

A. centimeter                     B. court                 C. clothing                   D. candy

A. weapon             B. breast                C. breathe                     D. leather

A. mask                B. assist                        C. afterwards         D. vast

根據(jù)所給的語境，在空白處填入合適的單詞，使得上下語義連貫通順。每空一詞。

A successful scientist is generally a good observer who   1   full use of the facts he observes. He doesn’t accept ideas which are not   2   on obvious facts,   3   he refuses to accept authority (權(quán)威) as the only reason for truth. He always checks ideas carefully and make experiments to   4 

them.

Galileo, however,   5   lived   6   1564 and 1642, was the greatest of the great men. Before him, learned men believed that larger bodies fell more   7   towards the earth than   8   ones. But Galileo, going to the   9   of the leaning Tower of Pisa, let fall two solid stones and proved it was wrong. It was his spirit that has led   10   all the discoveries of modern science.