A：a>12
B：a≥12
C：a＜12
D：a≤12
“分离土壤中以尿素为氮源的微生物”实验，配制LB全营养培养基的目的是（ ）
多音字组词
背bèi____ bēi____
禅chán____ shàn____
（2015.福建莆田）
Enjoy Harvesting
Want to relax yourself?
Want to experience country life?
Come and pick litchi!
Free for a taste.
Price:￥20 per kilo Dates: July 20th-July 28th
Add: Changlin village Tel:277-8688
Fitness Band on sale
Smartwatches without the watch
Monitor speed, time, distance, caloties burned, etc.
Long battery（电池）life (5 days)
￥800 （20% off for students)
Tel:289-6799
Visit Sam Mall for more information.
Ice and Snow Festival
Charming Ice Carving
Amazing World of Ice and Snow
Welcome to Fenghuang Park!
Dates: July 1st -July 25th
￥20 for each adult (half for each student)
Tel:288-6299
Super Pillow（枕头）Fight Party
Pillow Fight, a popular activity among young foreigners, has now come to Putian. It's a creative way to release(释放) pressure and stress.
Place:Putian Stadium
Time:2:30-5:00pm, June 28th
Fee:￥50 (pillow included)
Tel:275-6588
