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If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.
A.are not observedB.is not observed
C.were not observed D.was not observed
B

试题分析:考察主谓一致和语态。本句的主语是law and order as well as rules and regulations,谓语动词应该与前面的law and order保持一致,这里表示的是两个不同的概念,故使用复数形式。句意:如果法律命令和规则没有被遵守,那么人们和财产也就都不安全了。根据句意说明使用被动语态的形式。故B正确。
点评:在英语中,句子的主语和谓语动词要保持数上的一致关系,叫主谓一致。这种关系通常要遵循下面三条原则:1.语法一致原则。句子的主语是单数形式,谓语动词要用单数形式;主语是复数形式,谓语动词用复数形式2.意义一致原则即谓语动词该用单数还是复数取决于主语所表达的内容在含义是单数意义还是复数意义。3.邻近原则谓语动词该用单数还是复数形式,取决于最邻近它的名词、代词或其它词的数。
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