Many students write to Language Doctor to _______ advice about learning English.
A:look though
B:ask for
C:give up
D:worry about
根据拼音写出相应词语
下面是五(3)班小军(男)和小娟(女)6﹣12岁的身高统计图,看图回答问题.
黄冈中学是百年名校,百年校庆上的焰火晚会令很多人记忆犹新.有一种焰火升高高度为h(m)与飞行时间t(s)的关系式是 h=-52t2+20t+1 ,若这种焰火在点燃升空后到最高处引爆,则从点火到引爆所需时间为____s.
-- you come to my birthday party tomorrow, Robert?
-- I'm afraid not. I have lots of homework to do.