洛克主张用糖果或其它物质作为动力去鼓励儿童学习或鼓励儿童。
参考答案：错
The glass doors have taken the place of the wooden ones at the entrance, ___ in the natural light during
the day. [ ]
A. to let
B. letting
C. let
D. having let
肺炎患者的痰培养，下列哪种方法不正确（）
A.晨起深部痰液咳入无菌容器中
B.在2h内送检
C.尽可能在未用抗生素之前
D.可借助雾化吸入导痰
E.任何时间的痰均可
