按拼音写汉字
kēng kēng wā wā____ bǐ cǐ____ gān xīn____ fù jìn____mǎi mài____
jià qián____ huā pén____ sōng ruǎn____
看图列式:
列式____。
下列曲线中(P为价格,Q为需求量),一般说来,能正确说明近期“中国大妈”抢购黄金首饰现象的是( )
Lots of constructive advice has been ____ ____ at the meeting to settle the argument.