矿井自然风压的产生,主要是由于()温度的变化。
A.地面
B.井下
C.大气
参考答案:A
Most Asian women try to be shaded from the sun while touring in Europe in summer, fearing that the strong sunshine may ______ the aging process of their skin.
A.accumulate
B.protect
C.accelerate
D.develop
先秦诸子散文中最富于浪漫色彩的是
A.《孟子》B.《庄子》c.《荀子》D.《韩非子》