教室黑板发生“反光”现象，这时因为黑板太光滑，发生了 ____造成的．
碳及其化合物是初中重要的化学物质．
小伟看到电路图后提出一个建议：简化实验，去掉滑动变阻器测量小灯泡的额定电功率．你认为小伟的实验方案可行吗？为什么？
复数z=1﹣i，则z-对应的点所在的象限为（ ）
联系上下文，解释句中划线字的意思，再写出句子的意思。
①桂林山水甲天下。
甲：
这句话的意思是：
② “舟行碧波上，人在画中游”
碧：
游：
句子的意思：
Actor wanted by Movie Company
Can you sing and dance? Can you work with other people?
Can you work evenings and weekends?
If you want to be an actor, please call the Movie Company at 9935673.
Wanted
Do you like to talk with different people? Do you like a busy but interesting job? Do you like to join the TV station?
Work time: 8: 30a.m.—5: 50p.m., 5 days a week.
Tel: 2433571, 2433572, 2433573
Add: No. 24, Rose Building, Wilton Street
We need Teachers
Do you love children? Are you friendly to children?
Do you like to teach children English, math, history or biology?
Call the Green Children's School at 5113470 or send your e-mail to Children@yahoo.com
