蓄电池在放电过程中,只要发现有任一个单体电池的电压或比重下降到放电终止的数值,应立即停止放电。
参考答案:对
The Cognitive Approach seeks in () a basis for second language teaching.
A.American structural linguistics and behavioural psychology
B.tructural linguistics and cognitive psychology
C.functional linguistics and habit-formation theory
D.transformational grammar and cognitive psychology
回归分析法