A:1
B:2
C:423
D:523
下列植物结构中,属于果实的一组是( )
飞机在平直跑道上由静止开始匀加速起飞,经20s离地时行驶距离为1200m,求:
一 What time will the meeting end?
— At 4:00 in the afternoon.
—Whose shorts are these? —They are ______.