婴儿的智力活动为（）。
A.动作性智力活动
B.表象性智力活动
C.运算性智力活动
D.记忆性智力活动
E.语言性智力活动
参考答案：A
牙周炎时骨内袋的病理特点是（）。
A.牙槽骨发生垂直型吸收
B.牙槽骨发生水平型吸收
C.牙槽骨尚无吸收
D.牙周袋底位于牙槽嵴顶上方
E.牙槽骨嵴的高度明显较低
— He went to see the man who was in hospital yesterday.
— _____. [ ]
A. So did we
B. So we did
C. We did so
D. Did so we
