—Do you know what time your uncle Hangzhou tomorrow?
—At 2∶00 p.m. I will meet him when he at the airport.
A:gets to; arrives
B:will get to; will arrive
C:will get to; arrives
D:gets to; will arrive
精子与卵细胞结合成受精卵的部位和胚泡着床的部位依次是( )
①他需要再找一块直径是多少分米的圆形铁皮?
②他焊成的水桶最多能装水多少升?
③他焊成的水桶共用铁皮多少平方分米?