下图表明( )
A:①②
B:③④
C:②③
D:①④
选出句子中出现的单词( )
Lingling wants me to look at this map(改为一般疑问句)
____Lingling____ ____to look at this map?
①某鞋厂劳动生产率先提高,该行业劳动生产率未变 ②制鞋行业劳动生产率普遍提高,某鞋厂劳动成产率未变 ③某鞋厂与本行业劳动生产率同时提高相同幅度