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举一反三
【单选题】Passage One What produces a waterproof super glue, acts like a vacuum cleaner, and even teaches scientists about gene repair The humble little shellfish known as the mussel (贻贝). Mussels...
A.
the mussel’s tongue-shaped foot
B.
some glands in the mussel’s body
C.
the thread given off by the mussel
D.
the channel of the mussel’s foot
【单选题】What produces a waterproof super glue, acts like a vacuum cleaner, and even teaches scientists about gene repair The humble little shellfish known as the mussel (贻贝). Mussels are found worldwide. Some...
A.
seal itself from being eroded by sea water
B.
produce the waterproof super glue
C.
protect itself from being blown away by strong wind
D.
protect itself from being the food of other animals