近代高层建筑起点的标志是1886年在芝加哥建成的。
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M: How was the high school 1)___________ party? You must have had a lot to tell people since you hadn't seen each other for 10 years.W: I sure did! I was so 2) _______________. Everyone had interesting experiences, exciting jobs and a happy family.Q: What are the speakers talking about?D Meeting former classmates.
W: I had a 1)__________with my roommate. Every night she 2 )_________very late. I can't fall asleep when she is around making noises in the room.M: I'm so sorry to hear that. Like you , I'm an3)__________,too.It's hard to share a room with a 4) __________.Q: What does the man mean?AHe totally understands the woman's situation.
(第21题)动物进行新陈代谢、生长发育和繁殖分化的形态学基础是( )。
A. 细胞
B. 组织
C. 器官
D. 系统
E. 细胞器
(第36题)具有结缔绒毛膜胎盘(绒毛叶胎盘)的是( )。
A. 马
B. 牛
C. 狗
D. 猪
E. 兔