Thousands of Haitians cheered as the Chinese medical team arrived,many of even cried with joy.
Football is played in more than 80 countries, it the most popular sport around the world.
The boys, with this frightening person, lost their tongues.
Qingdao lies the west coast of the Pacific Ocean, where we can not find many islands the coast.
一个四棱锥和一个三棱锥恰好可以拼接成一个三棱柱.这个四棱锥的底面为正方形,且底面边长与各侧棱长相等,这个三棱锥的底面边长与各侧棱长也都相等.设四棱锥、三棱锥、三棱柱的高分别为,,,则( )
Students are encouraged to _________ the design competition for robots at the university.