Which of the following sentences is INCORRECT？A．Fire and water do not agree.B．Each minute
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Which of the following sentences is INCORRECT？
A．Fire and water do not agree.
B．Each minute and each second are valuable.
C．Bread and butter is a nutritious food for patients.
D．The scholar and poet is dead.
请帮忙给出正确答案和分析，谢谢！
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正确答案：B
考查主谓一致。and连接两个单数名词或代词作主语时，谓语动词一般用复数形式；但and连接两个作主语的单数名词指同一人、同一物或同一概念时，谓语动词用单数形式。如：Theteacherandwriterisaverywiseman．这里Theteacherandwriter是指同一个人，即既是老师也是作家。若要指两个人时，writer前面必须加冠词the。A、C、D表述均正确，A项指两个事物，故用复数形式；C项的breadandbutter是指一种食物“奶油面包”，相当于butteredbread，故用单数。D项Thescholarandpoet指同一个人，故用单数。B不正确，原因在于and连接的两个主语之前有each，every，nomanya(n)时，谓语动词只能用单数形式，如Nosoundand(no)voiceisheard．万籁俱寂。