一个分数,它的分子是4,分母是分子的2倍,这个分数是______.
分母为:4×2=8,
所以这个分数为48.
故答案为:48.
Baseball is one of the favorite sports in the USA. Children play baseball in sports fields or in parks. At summer picnics, there is often informal (非正式的) baseball game. Boys and girls, young and old take turns to bat. Each team has 9 players.
American football is perhaps the most popular sport in the USA. The football season begins when the baseball season ends. More people are interested in football than baseball. When there is an important game, thousands of people sit beside the radio or in front of the television to hear the result.
根据短文内容,判断下列句子的正(T)与误(F)。
小题1: Baseball is the most popular sport in the USA.
小题2:There are eighteen players in a baseball game.
小题3:The football season begins in summer.
小题4: Some baseball players become famous during the match time.
小题5:In the USA most people like baseball better than football.
科学技术越是发展,就越要重视()。
A.信息因素
B.人的因素
C.知识因素