2,4,8,16,32,____,____
下列句子中,划线成语使用正确的一句是( )
长方体ABCD﹣A1B1C1D1中,若A1C与平面AB1D1相交于点M,则 A1MA1C =____.
- You aren't supposed to smoke in public. It's bad for our health.
- Sorry, I will ______ my cigarette right now.
将二倍体西瓜幼苗(基因型Aa)用适宜浓度秋水仙素处理后得到四倍体西瓜,则( )