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搜题
【单选题】
最大无作用剂量相当于A.
未观察到效应水平
B.
每日容许摄入量(ADI)，最高容许浓度(MAC)
C.
最高容许浓度(MAC)，最大耐受剂量
D.
中毒阈剂量
E.
最大耐受剂量
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】___ he needed money for a new car, he decided not to borrow it from the bank.
A.
Much as
B.
Much though
C.
As such
D.
Though much
【简答题】单相桥式整流电路中,已知变压器 副绕组电压为110V,负载电阻为2kΩ,则二极管通过的平均电流等于( )。
【单选题】he needed money for a new car, he decided not to borrow it from the bank.(1998)
A.
Much as
B.
Much although
C.
As much
D.
Though much
【单选题】he needed money for a new car, he decided not to borrow it from the bank.
A.
Much as
B.
Much although
C.
As much
D.
Though much
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