下列能正确表示神经纤维受刺激后刺激点膜电位由兴奋状态恢复为静息状态的过程是( )
A:①→④
B:②→③
C:③→②
D:④→①
下列有关人类生殖和发育的叙述,错误的是( )
①H2SO3+I2+H2O═2HI+H2SO4
②2FeCl3+2HI═2FeCl2+2HCl+I2
③3FeCl2+4HNO3═2FeCl3+NO↑+2H2O+Fe(NO3)3.
“尽管罗马法律在妇女继承财产上做了严格限制,但一些聪明人往往能找到法律的漏洞……随着罗马在地中海地区的扩张,妇女们也开始占有大宗财产。……许多妇女管理着家庭的财政事务和大地产。”这段话表明( )
阅读理解
Films in UME Cinema this week
Name: Mr. Six (《老炮儿》)
Director: Guan Hu
Main actor: Feng Xiaogang, Wu Yifan, Li Yifeng
Time: From Monday to Wednesday at 8:00 p.m.
Ticket price: RMB ¥35
Name: The Ghouls(《寻龙诀》)
Director: Wu Ershan
Main actor: Cheng Kun, Huang Bo, Shu Qi
Time: From Wednesday to Friday at 8:00 p. m.
Ticket price: RMB¥40
Name: Detective China Town(《唐人街探案》)
Director: Chen Sicheng
Main actor: Wang Baoqiang, Liu Haoran, Tong Liya
Time: From Friday to Sunday, at 7:30 p. m.
Ticket Price: RMB¥30 (Half on Sunday for children)
Name: Sherlock: The Abominable Bride(《神探夏洛克》)
Director: Douglas Mackinnon
Main actor: Benedict Cumberbatch, Martin Freeman
Time: From Tuesday to Thursday at 8:00 p. m.
Ticket Price: RMB¥45
地球上的热主要来自____。