Most environmental problems exist because adequate measures for preventing them_____taken in the paA、was notB、were not beingC、were notD、being not选哪个 详细 分析下各个选项.这个题对我很重要 .感谢帮助.还有 been 和b
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![Most environmental problems exist because adequate measures for preventing them_____taken in the paA、was notB、were not beingC、were notD、being not选哪个 详细 分析下各个选项.这个题对我很重要 .感谢帮助.还有 been 和b](/uploads/image/z/11257601-41-1.jpg?t=Most+environmental+problems+exist+because+adequate+measures+for+preventing+them_____taken+in+the+paA%E3%80%81was+notB%E3%80%81were+not+beingC%E3%80%81were+notD%E3%80%81being+not%E9%80%89%E5%93%AA%E4%B8%AA++++%E8%AF%A6%E7%BB%86+%E5%88%86%E6%9E%90%E4%B8%8B%E5%90%84%E4%B8%AA%E9%80%89%E9%A1%B9.%E8%BF%99%E4%B8%AA%E9%A2%98%E5%AF%B9%E6%88%91%E5%BE%88%E9%87%8D%E8%A6%81+.%E6%84%9F%E8%B0%A2%E5%B8%AE%E5%8A%A9.%E8%BF%98%E6%9C%89+been+%E5%92%8Cb)
Most environmental problems exist because adequate measures for preventing them_____taken in the paA、was notB、were not beingC、were notD、being not选哪个 详细 分析下各个选项.这个题对我很重要 .感谢帮助.还有 been 和b
Most environmental problems exist because adequate measures for preventing them_____taken in the pa
A、was not
B、were not being
C、were not
D、being not
选哪个 详细 分析下各个选项.这个题对我很重要 .感谢帮助.还有 been 和being 该怎么区别 ?做被动的时候应该用哪个啊?10分全部送上 .
Most environmental problems exist because adequate measures for preventing them_____taken in the paA、was notB、were not beingC、were notD、being not选哪个 详细 分析下各个选项.这个题对我很重要 .感谢帮助.还有 been 和b
选C,现在的污染是因为过去的失误.做被动用been
这句话的意思是:大多数环境污染问题的存在是因为充分预防措施在过去没有被重视。
首先这个句子的重点是~预防措施没【被】重视,所以答案一定要体现【被动】
句意是说污染问题还在是因为 【过去】防护措施 没被重视,而不是【过去某个时刻】没被重视,所以排除C,D
注意:(were being+过去分词 表示过去进行时的被动语态。如The builidings were being b...
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这句话的意思是:大多数环境污染问题的存在是因为充分预防措施在过去没有被重视。
首先这个句子的重点是~预防措施没【被】重视,所以答案一定要体现【被动】
句意是说污染问题还在是因为 【过去】防护措施 没被重视,而不是【过去某个时刻】没被重视,所以排除C,D
注意:(were being+过去分词 表示过去进行时的被动语态。如The builidings were being built this time last year.这些大楼去年的这个时候正在修建。)
(being not done不成结构,必须是 be being not done)
又因为是them 复数 所以选B
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