大学生休闲质量的“四低”为低自我评价、低休闲层次、低休闲技能和()
A、低理智
B、低自觉
C、低主动
D、低自发
参考答案:B
— May I tell this to my close friend?
— No, you___________. Never let anybody else know about it.
A.needn't
B.shouldn't
C.mustn't
D.can't
针叶树胶合板比阔叶树胶合板强度高。