这两年,雾霾天气明显增多,主要是PM2.5指数超标.PM2.5是指悬浮在大气中直径小于或等于2.5____ (选填“cm”或“μm”)的细颗粒物,这些颗粒主要是使用煤、石油、天然气等燃料产生.研究表明:家庭中使用____ (选填“太阳能热水器”或“液化石油气热水器”)能大大减少大气污染物的排放.
(It is aftermoon. A and B are on the phone)
A. Hello, ____I speak to Mike?
B. ____Who's that please?
A. It's Sally here. Where____you this morning Mike?I called you but you____at home
B.I____to the cinema.
A. What film____you see?
B. The Lion king。
车牌号第一个字代表车主人居住省(区、市)的简称。小明在上学路上,看见马路边上停放着一辆牌号为“渝A—F6688”汽车。你认为这辆汽车的主人居住在什么地方?( )
We all take pride in Li Ming _______ got the first prize in the English Contest.