题目

完形填空阅读下面短文，掌握大意，然后从A、B、C、D四个选项中选出最佳选项。    Today is Sunday. My brother and I    1   at home. We    2   to carry two boxes into the room.    3    box is big, but it’s light. My brother’s box is   4   , but heavy. We put     5   on the table. We can see    6   clothes in the boxes, but my  7    aren’t in them. I    8    find my socks. My brother can    9  me to find them. They’re under the bed. I must look     10  my things. We put the   11   boxes away. The chair i人的红细胞在结构上与一般动物细胞的显著区别是A.有血红蛋白B.没有细胞核C.没有细胞壁D.没有细胞质