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TOEFL
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Listening practice
/ Section RHZK
Listen to an Academic Talk
Listen to part of a talk in a botany class.
Listen
45. Why is nitrogen scarce where these plants grow?
A
The soil is too acidic for plants to absorb it.
B
Moving water carries dissolved nutrients away.
C
Insects consume it before the plants can.
D
The plants cannot take it up through their roots.