哪些绝缘称为侵限绝缘?
参考答案:当相邻两组道岔警冲标之间的距离不足7米时,安装于他们之间的分界绝缘称为侵限绝缘。
根据句意、首字母和汉语提示写出单词。
1. What's this in E_____?
2. —Can you s_____ your name, please?
—Yes, M-A- R-Y, Mary.
3. E_____ me, is this your pencil?
4. This is my ID c_____.
5. You can look up the word in the d_____ you don't know it.
6. Your _____ (戒指) is very nice.
7. My _____ (尺子) is blue.
8. I have a new _____ (手表).
9. My father can play _____ (棒球).
10. There is a _____ (笔记本)
近几年,我国房地产市场上演了一幕幕“楼市风云”,北京、上海、广州、龙岩等城市、的房价直线上扬(右图),许多地方的房价远远超出了普通百姓的购买力,拉动我国房价上涨的因素主要有()。
①生产商品房的社会劳动生产率不断提高
②供求影响价格,商品房供不应求
③人民生活水平提高,购买力增强
④人们“买涨不买跌”的消费心理
A.①②③
B.②④
C.③④
D.②③④