⑴____A. restaurant B. city C. cinema
⑵____A. dress B. coat C. ice cream
⑶____A. want B. supermarket C. park
⑷____A. kite B. read C. sing
⑸____A. tired B. happy C. tea
利用二倍体西瓜培育成三倍体无籽西瓜的育种方法属于
