将一个细胞中的磷脂成分全部提取出来,并将其在空气—水界面上铺成单分子层,结果测得单分子层的表面积相当于原来细胞膜表面积的两倍。用下列细胞实验与此结果最相符的是 ( )
Our neighbour ____ a new baby. A.haveB.hasC.there is
My _____ are white. A.sock B.sockesC.socks
Are these your pants ?No,they’re ____. A.John B.John’sC.Johns
___is it? It’s my jacket. A.Who B.Who’sC.Whose
你觉得买的东西太贵了,你说_____ A.It’s too cheap. B.It’s too small C.It’s too expensive