实验1：探究某人是否患有糖尿病（尿液中有葡萄糖）；

实验2：证明血浆中存在葡萄糖．

现提供：新取尿液样品、加有柠檬酸钠的鸡血、清水、试管、离心机、三脚架、大烧杯、火柴、酒精灯、石棉网等．

回答下列问题．

    Are you good with children? Do you like children? Do you have time in the afternoon?

    We need a babysitter for our son. He's five years old. The working time is from Monday to Friday, 3:00 p.m to 6:00 p.m.: pay(薪水) is$ 5 an hour.

    We need help with: Looking after our son, reading to him, playing with him.

    You must work at our house. We live in Fourth Road, near Huaxing Clothes Store. Please call Mr. Wang at 010-58899333.

⑴How old are you?____                            A. She's fine.

⑵How is she?____                                     B. I'm eleven years old.

⑶How much is the fan?____                     C. I have ten.

⑷How many pens do you have?____       D. It's ten yuan.

⑸How beautiful!____                                E. Thank you.