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Passage Three

A. Excreting salt through gill ceils.
B. Losing more water to their surroundings.
C. Drinking more water.
D. Diluting the amount of salt.
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单项选择题A. They lose water constantly. B. They contain a relatively lower concentration of salt. C. They neither lose nor absorb water. D. They possess a relatively higher concentration of salt.

A. They lose water constantly.
B. They contain a relatively lower concentration of salt.
C. They neither lose nor absorb water.
D. They possess a relatively higher concentration of salt.

单项选择题A. Nowadays an iPod is very precious. B. The women’s baby-sister is very hard to please. C. IPod gains great popularity in recent years. D. What the woman will send her sister as a birthday present.

A. Nowadays an iPod is very precious.
B. The women’s baby-sister is very hard to please.
C. IPod gains great popularity in recent years.
D. What the woman will send her sister as a birthday present.