The power of the female heart remains undiminished between the ages of 18 and 70 probably because _________.
A: women almost lose no contractile muscle cells in the walls of their hearts
B: women's oestrogen has a protective effect on their heart
C: the size of their heart chambers is different from men's
D: the thickness of the female heart's muscular wall is different from men's
A: women almost lose no contractile muscle cells in the walls of their hearts
B: women's oestrogen has a protective effect on their heart
C: the size of their heart chambers is different from men's
D: the thickness of the female heart's muscular wall is different from men's
举一反三
- According to the study, women live longer than men is probably because ______. A: women do more exercise to keep heart healthy than men B: women have more cells than men. C: ageing takes less loss on women's hearts than on men's D: women's hearts don't lose cells with age.
- The text mainly talks about ______. A: men's heart cells B: women's ageing process C: the gender difference D: hearts and long life
- According to the text, the UK scientists have known that ______. A: women have more cells than men when they are born B: women can replace the cells that enable the heart to beat C: the female heart loses few of the cells with age D: women never lose their pumping power with age
- Children are always happy. They can play ______. A: for their heart's content B: for their heart content C: to their heart's content D: to their hearts' content
- Some people believe that （）. A: women can’ t do what men can B: men have to work much harder than women C: men can earn money more easily than women D: men’ s duties are different from women’s