问题
填空题
在正方体ABCD﹣A1B1C1D1各个表面的12条对角线中,与BD1垂直的有( )条
答案
6
在正方体ABCD﹣A1B1C1D1各个表面的12条对角线中,与BD1垂直的有( )条
6
根据短文内容,从短文后的A-E选择中,选出适当的选项补全短文,并将代表句子的字母填写在答题卡相应的题号位置上。 Basketball is a young game. In the year of 1891, 小题1: . The weather was bad. They couldn’t play outside. So they were unhappy. Sometimes they even got into fights.Finally, 小题2: Dr. Naismith thought for a few days and invented a kind of ball game. 小题3: . It was played between two teams. In order to make a score, the ball had to be thrown into a basket ten feet above the floor on the wall. At first, 小题4: . As he couldn’t find boxes of the right size, 小题5: . That is how the game got its name basketball. The history of this game is over 100 years.
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