—What is the of the sign on the bottle?—It “Keep away from the children”.
A:means; meaning
B:meaningful; meaning
C:meaning; means
D:means; mean
如图,若△ABE≌△ACF,且AB=5,AE=2,则EC的长为( )
对原尿中的全部葡萄糖、大部分水和部分无机盐有重吸收作用的是( )。
“元旦那天,盛行燃放鞭炮,穿新衣,往来拜年。……”这是宋代人在过哪一节日?( )