在起居室门上装安全玻璃，不要让婴儿接触到()东西。
A、易碎的
B、光滑的
C、细小的
D、粗糙的
参考答案：A
若|-a|=-a，则有（ ）
A．a≥0
B．a≤0
C．a≥-1
D．-1≤a≤0
--- Which school are you studying in?
--- One which is ______ the Liaoning Teachers’ University.
A．impressed with
B．attached to
C．sceptical of
D．involved in
