题目:下列对“无砟轨道”说明不准确的一项是( )(3分)
A. 无砟轨道在水泥板上面直接铺钢轨。
B. 无砟轨道由五部分组成,从下往上依次是无缝钢轨、轨道板、填充层、底座板、滑动层。
C. 无砟轨道板打磨加工时,用的水泥沥青砂都要经过多次淘洗。
D. 无砟轨道最显著的特点是使用无缝钢轨。
喵查答案:B
……继续阅读 »
题目:24. It is ________ in the shadow of a tree in summer,so many people like to stay there.
A. hot
B. warm
C. cool
D. cold
喵查答案:C
24.C【解析】根据常识可知夏天的树荫下比较凉爽。
……继续阅读 »
题目:3I. Why did the writer and the woman both feel glad
A. Because the boy had saved some money.
B. Because they both didn’t need to give anything.
C. Because the cashier didn’t loo……继续阅读 »