集水井的开挖随基坑逐层开挖，并保持低于挖土面1.0 ~ 2.0m
参考答案：错
同时刺激多种感官的游戏和运动，称为
A．平衡的有氧运动
B．充分的健康教育
C．感觉整合训练
D．早期语言训练
E．学龄前教育
All her time __________experiments, she has no time for films.
A．devoted to do
B．is devoted to doing
C．devoted to doing
D．is devoted to do
