A:矩形
B:菱形
C:直角梯形
D:等腰梯形
-(-3)2=( )
《细菌的启示》的说明顺序是____ 。
关于南亚的叙述,正确的是
make up one's mind; give in; ever since; be fond of; grow up: on schedule; change one's mind ;care about; prefer to; get sb. interested in