A:and most people didn’t know existed
B:that most people didn’t know it existed
C:most people didn’t know existed
D:that most people didn’t know existed
下列有关生态学原理或规律的叙述,正确的是()
0.14×2=____
14×0.2=____
0.14×0.2=____
匠____ 抄____ 骂____ 扛____ 愤____
匹____ 吵____ 哭____ 红____ 喷____
下列各组词语中没有错别字的一项是( )