问题 选择题

甲、乙两人百米赛跑,当甲到达终点时,乙离终点还有10米,若让甲从起跑线后退10米,甲、乙同时起跑,则(  )

A.乙先到达终点

B.甲先到达终点

C.两人同时到达终点

D.无法确定

答案

由题可知甲的速度比乙快.如果让甲从起跑线后退10米与乙同时赛跑,那么甲跑了100米乙刚好跑了90米,此时他们相遇,离终点还有10米.

这样就等于让他们在距终点10米处同时起跑比赛.而甲的速度比较快,所以甲先到达终点,故ABD错误,B正确.

故选B.

单项选择题
单项选择题

Passage Four

Every culture and every country in the world celebrates New Year, but not everyone does it the same way. The countries in North America and Europe we]come New Year on January the first. This practice began with the Romans in the Middle East, New Year is when spring begins. People in China and Vietnam celebrate it on the first day of the Spring Festival, which is the first day of their calendar based on the moon. Rosh Hashana, which is the Jewish (犹太人的)New Year, comes at the end of summer. The Hindus (印度教教徒) in India celebrate the first day of each season, so they have four New Years.

In all these cultures, there is a practice of making noise. People made noise in ancient times to drive away the evil spirits (妖精) from their homes. Today making noise is more of a custom than a religious ritual(宗教仪式).

In the United States, many people stay up until midnight on New Year’s Eve to watch the clock pass from one year to the next. Friends often gather together at a party on New Year’s Eve, and when the new year comes, all ring bells, blow whistles, sing songs, and kiss each other. A favorite Scottish song which everyone sings together is Auld Lang Syne. The words tell of old friends and good times.

In all cultures, New Year’s Day is a time when people think of new beginnings. They want to make the coming year better than the last one.. Many people in the United States make New Year resolutions. These are specific promises that they make to improve their behavior, change their habits, and become better people. There are many jokes about how a person keeps his or her New Year resolutions.

A New Year resolution is ()

A.made to begin a new year

B.a promise to make a joke

C.a decision to improve oneself and make one a better person

D.to be kept for the New Year's Day only