红色的色彩性格有（）。
A.热烈
B.喜庆
C.高贵
D.醒目
参考答案：A, B, C, D
制造简单、价格低廉、材料能被充分利用、密封性能较好、在石油化工工艺管道上被广泛应用的垫片为( )。
A．橡胶石棉垫
B．齿形垫片
C．缠绕式垫片
D．塑料垫片
补全下列反意疑问句。
1. They often watch TV, ______?
2. She doesn't have any brothers, ______?
3. Jenny has bought a new hat, ______?
4. My brother finished his homework, ______?
5. We aren't having an English class now, ______?
