题目

（6分）小明与小芳同学为了研究泡沫塑料和棉絮的保温性能好坏，两人设计并做了一个实验．他们用这两种材料分别包着装有热水的密闭烧瓶，让它们自然冷却，利用温度计和计时器定时测量两烧瓶中的水温随时间变化的情况．（1）为保证实验准确性，实验前除了取大小、厚度相同的泡沫塑料和棉絮外，还应考虑影响水温变化的其它因素，如保持烧瓶相同、环境相同、水的初温和质量相同．（2）按照计划操作，小明与小芳同学把实验测得的时间和温任务型阅读。This is Amy's classroom. It's very big and clean. It's on the first floor（一楼）. Look! This is Amy's seat. It's near the door. The door is yellow. The desks are yellow, too. There are six lights and four fans over the desks. Look at Amy's desk. What's on it? Oh, a red kite and a blue pencil box. Amy likes the classroom very much.【1】根据短文内容，选择正确的答案。1. Amy's classroom is________. （_____）A. big and clean B. small and beautiful C.small and clean2. There are____fans and_____lights over the desks. （_____）A. six; five B. four; six C.six; four3. The blue pencil box is_____the desk. （_____）A. in B. on C.under【2】根据画线句子，看图仿写。1. This is Amy's seat. It's near the door._____________________________________________2. The door is yellow._____________________________________________