麻织物特性？
参考答案：
强度，导热，吸湿比棉织物达，对酸碱反应不敏感，抗霉菌，不易受潮发霉，色泽鲜艳，不易退色，熨烫温度高
李刚同学在操场上活动时发现，从远处看教室的窗户，有的明亮刺眼，有的却黑漆漆的，请你帮他解释这一现象？
用所给单词的适当形式填空.
1. It's winter in France. The weather is (wind).
2. They (clean) the classroom now.
3. We are (surprise) to hear the bad news.
4. Some (scarf) are on the box.
5. The (man) are our teachers.
