单项选择题

According to Prof. Stepp, weedy plants are ______.

A．fast-growing and woody-tissued
B．slow-growing and soft-tissued
C．growing wild
D．growing where it is not wanted
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单项选择题
Why wouldn't drug companies be interested in weedy plants
A．They consider weeds to be undesirable or troublesome plant.
B．They wouldn't like to develop traditional medicines.
C．They wouldn't believe in the medical effects of weedy plants.
D．They wouldn't be satisfied with the financial returns of developing news drugs from weeds.
单项选择题
What would be the possible meaning of the word cahoots (Line 1, Para. 5)
A．Secret partnership.
B．Close connection.
C．Detailed direction.
D．Careful consideration.
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