亲代的许多性状之所以在子代身上体现,原因是 [ ]
A.亲代把性状传递给子代
B.亲代把控制性状的基因传递给子代
C.总在一起生活,长相就会相像
D.亲代把所有基因传递给子代
B
根据句意和汉语注释,在答题卡标有题号的横线上,写出单词的正确形式。
小题1:You can never imagine how ________ (success) the event was held in Guangzhou last week.
小题2:To raise his family, he left home for work in his early _____________(twenty).
小题3:---How is your business going?---It couldn’t be _____________(bad).
小题4:The police have found some fingerprints. Maybe they belong to those ___________(rob)
某中学和交警大队联合举行了“我当一日小交警”活动,选派部分学生到交通路口值勤.若每一个路口安排4人,那么还剩下78人;若每个路口安排8人,那么最后一个路口不足8人,但不少于4人.求这个中学共选派了多少名值勤学生?