-- Tu Youyou received the Nobel Prize for her ________ of anemisinin(青蒿素).
-- And she was the first Chinese who won the prize in science.
A:design
B:thought
C:invention
D:discovery
下列各个成语中,没有错别字的一项是( )
小明放学回家路上,遇到过去“哥们儿”邀他去KTV,并送他一粒摇头丸,小明的正确做法( )