社会学习论研究儿童道德教育问题，采用的主要方法是_____。
A．实验法
B．案例法
C．观察法
D．调查法
参考答案：A
On Wednesday, Apple announced that its latest handset will be ______ in China and 21 other countries
on Jan 13, just three months after it was first launched in the USA. [ ]
A. available
B. acceptable
C. affordable
D. measurable
酒：杯：喝
A．饭：碗：吃
B．水：网：喝
C．菜：筐：切
D．汤：盆：浇
