作业帮A total of 50000 new bikes ( ) in this city each year.A.has been registered B.are registered C.is registered D.have been registered
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A total of 50000 new bikes ( ) in this city each year.A.has been registered B.are registered C.is registered D.have been registered
A total of 50000 new bikes ( ) in this city each year.
A.has been registered B.are registered C.is registered D.have been registered
A total of 50000 new bikes ( ) in this city each year.A.has been registered B.are registered C.is registered D.have been registered
选B
主语为复数,排除 A,C
因为有状语 each year 每年,可见应该用一般现在时
类似句：
A total of twenty people were killed.
共有二十人被杀.
请及时采纳,不懂继续问( 天天在线 ）
在语法中，以a total of, a portion of , a series of , a pile of, a panel of+名词这样的组合，不管名词类别为何，动词通常用单数，表示一个整体。例如：
A substantial portion of the reports is missing.
A series of accidents has been reporte...
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在语法中，以a total of, a portion of , a series of , a pile of, a panel of+名词这样的组合，不管名词类别为何，动词通常用单数，表示一个整体。例如：
A substantial portion of the reports is missing.
A series of accidents has been reported.
A pile of logs was set beside the hearth
因此这一题应该排除B和D，同时句中有each year，表示的是经常性的，惯例，应该用一般现在时，所以正确答案是C
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B
翻译：这个城市每年有总数为50000辆自行车被登记在案。
解析：a total of 。。。的总数。作主语时，谓语用复数。淘汰AC，本句中有时间状语each year ，每年都发生的事情，所以使用一般现在时。选B
类似用法有：
A number of/ an average of/ a total of+ n，谓语用复数。
The number of/ ...
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B
翻译：这个城市每年有总数为50000辆自行车被登记在案。
解析：a total of 。。。的总数。作主语时，谓语用复数。淘汰AC，本句中有时间状语each year ，每年都发生的事情，所以使用一般现在时。选B
类似用法有：
A number of/ an average of/ a total of+ n，谓语用复数。
The number of/ The average of/The total of+n, 谓语用单数。
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