题目

(2007年普通高等学校夏季招生考试英语（全国Ⅰ）)C Our “Mommy and Me” time began two years ago. My next-door neighbor and fellow mother, Christie, and I were out in our front yards, watching seven children of age 6 and under ride their bikes up and down. “I wish I could take one of my children out alone,” said Christie. Then we worked out a plan: When Christie takes one of her children out, I’ll watch her other three. And when she watches two of mine, I’ll take someone out. The children were extremely quick to accept the idea of “Mommy and Me” time. Christie16．如图是制作洋葱鳞片叶表皮细胞临时装片的部分操作步骤．正确的操作顺序是（　　）A．①②③④B．③①②④C．①②④③D．③②④①