一般饰面颜色为黑色、紫色时用白色水泥作胶结料。( )
参考答案：错
下列具有社会行为的有（ ）
A．在同一片森林筑巢的喜鹊
B．个体户在河边养的一群鸭
C．一群南飞的大雁
D．一块稻田里的所有青蛙
—_________ Tom _________ a baseball bat?
—No, he _________. [ ]
A. Does; have; doesn't
B. Does; has; doesn't
C. Do; has; don't
D. do; have; don't
