抽油杆扶正器一般采用抗磨损的（）材料制造。
A、不锈钢
B、塑料
C、铸铁
D、尼龙
参考答案：D
His glasses, _______ he could see nothing, was taken away by a naughty boy.
A．which
B．without which
C．with which
D．without those
根据句意及所给的汉语提示，填写适当单词完成句子。
1. She likes _____(蔬菜) because they are good for her.
2. She has _____(午饭) at school every day.
3. I'm very _____(疲劳的) after the long walk.
4. She _____(通常) swims after school.
5. She has a dancing lesson on _____(周三).
