下列杂交组合中,子代基因型种类和表现型种类数相同的一组是 [ ]
A.aaBb×AABB
B.aabb×aaBb
C.aaBb×AABb
D.AaBB×aaBb
答案:B
与异常的宿主反应有关的牙周炎是
A.侵袭性牙周炎B.艾滋病C.慢性牙周炎D.牙周~牙髓联合病变E.牙龈炎
完成句子翻译(共5小题;每小题2分,满分10分)
小题1:We have no room to put the piano on the floor, with _________ _________ ________ ________ ________ (一堆书堆在那儿)
小题2:The chairman thought it necessary ________ (邀请)Professor Smith to speak at the meeting.
小题3:The problem ___________ __________(将被讨论) at tomorrow’s meeting is very difficult.
小题4:The book was said __________ ___________ ___________(被翻译成)into many languages.
小题5:He _________ _________ I ________ ________ _________the result.他和我都满意这样的结果。(用as well as翻译)