未知题型
Modem agriculture is criticized as unsustainable because
A．it promotes the erosion of topsoil.
B．it cannot provide a long-term planning.
C．300 years is not long enough for the development.
D．the lost topsoil is irreplaceable.
- A.it
B.
B．it
C.
C．300
D.
D．the
E.
【参考答案】
A
因果推断题。根据第三段第一句话可知，现代农业被一些专家所批评为不符合可持续发展理念的原因是它会导致水土流失(......
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