化肥和农药对农牧业的增产增收起重要作用，但使用不当也会给人类和环境带来危害。下列关化肥或农药的使用描述不正确的是
| A．(NH4)2SO4的大量使用可能造成土壤的碱化 |
| B．磷肥的大量使用可能造成水体富营养化 |
| C．农药的使用可能影响害虫与其天敌之间的生态平衡 |
| D．家蚕吞食喷洒过农药的桑叶，可能引起中毒 |
相关试题
My friend showed me round the town, ______ was very kind of him. 
| A．which | B．that | C．where | D．it |
They use computers to keep the traffic _______ smoothly.
| A．being run | B．run | C．to run | D．running |
If you leave the club, you will not be_____back in .
| A．received | B．admitted | C．turned | D．moved |
What I need is_____ book that contains ______ABC of oil painting.
| A．a; 不填 | B．the; 不填 | C．the; an | D．a ; the |
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