下列变化属于化学变化的是（ ）
A．对玻片呼气
B．蜡烛燃烧
C．湿衣晾干
D．灯泡通电发光
答案：B
蜡烛燃烧有新物质生成
连词组句。
1. in, January, is, Spring, Festival, or, February
____________________________________.
2. first, May, is, International, Workers', Day
3. Children's, Day, June, first, is
4. January, is, New, Year's, Day, first
______ that Mary was able to set up new branches everywhere.[ ]
A. So successful her business was
B. So successful was her business
C. So her business was successful
D. So was her successful business
