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