橡胶伸缩缝之所以在钢筋混凝土梁桥得到广泛应用,主要原因是()。
A.能承受汽车较大的冲击力
B.能满足变形和防水要求
C.价格相当低廉
D.制作工艺容易掌握
参考答案:B
— ________ your mother watch TV every day?
— ________ . She doesn’t like watching TV.
A.Do; No, she doesn’t
B.Does; No, she doesn’t
C.Do; Yes, she does
D.Does; Yes, she does
直线函数法圆弧插补的特点是什么?