中国大学MOOC: An important feeding adaptation among deep-sea fishes
举一反三
- 中国大学MOOC: Deep-sea pelagic fishes are characterized by all of the following except:
- 中国大学MOOC: Now we know that the fishes in the sea are all __________.
- This passage tells us that ______. A: the sea is very shallow B: the sea is very deep C: the sea is neither shallow nor deep D: the depths(深度)of the sea in different places are quite different
- 中国大学MOOC: ________ food is very important to health, good chefs always try to strike a balance among grain, meat and vegetables.
- The land-sealed Mediterranean sea, with the shallow export channel, the small tides, the calm sea surface, is very deep, the salt content is particularly low, and the coastal currents are formed deep