1.Many problems __have been overcome --or _never have arisen---if the people involved had just treated one another with commom courtesy.A would,should B should,would C might,could D could,might2._photocopier is ____ machine that makes cop

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1.Manyproblems____havebeenovercome--or_____neverhavearisen---ifthepeopleinvolvedhadjusttreatedoneano

1.Many problems ____have been overcome --or _____never have arisen---if the people involved had just treated one another with commom courtesy.A would,should B should,would C might,could D could,might2._____photocopier is ______ machine that makes cop
1.Many problems ____have been overcome --or _____never have arisen---if the people involved had just treated one another with commom courtesy.
A would,should B should,would C might,could D could,might
2._____photocopier is ______ machine that makes copies of documents,etc.by photographing them.
A the a B / the C A ./ D / /
第一题,我认为题目不怎么好,因为如果从不同的理解角度看(大多数问题本应该解决或者不会发生,如果.),选择B也是可以的,
第二题这种冠词的麻烦大家帮忙讲解下
不好意思第二题选A

1.Many problems ____have been overcome --or _____never have arisen---if the people involved had just treated one another with commom courtesy.A would,should B should,would C might,could D could,might2._____photocopier is ______ machine that makes cop
第一题选d比较合理
should have done 指的是本应该而实际上没有发生,题目的本意是发生了,所以填could比较合理
第二题
（英语名词根据其意义可分为普通名词 (Common Nouns）和专有名词（Proper Nouns）.普通名词又分为类名词、集体名词、物质名词、抽象名词.
1、类名词：book,table,house
2、集体名词：family,crowd,army
3、物质名词：milk'water'honey
4、抽象名词：honesty,hapiness,love
）
photocopier 影印机;复印机,很显然属于物质名词.英语语法：专有名词,物质名词,抽象名词,人名,地名等名词前,一般不加冠词!
the 表特指!
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1.D 这道题考的是对情态动词的掌握。Could指能，表示有没有这个能力。Would指（将）会，强调有没有这个可能。Should指“应该”，Might指不确定的可能。
个人认为选C也可以，但A、B。。。。。。。。。题出得不太严密哈。
2.B 这道题考的是对冠词的掌握。第一个是泛指的，表示这一类东西，用零冠词+名词单数表一类东西。第二个就相当于下一个定义，是特指的一种Machine，而且后面有That从句引导的修饰成分，因此应该加上定冠词The。
冠词的用法有好多。。。慢慢积累就会形成语感了，到时候都不用想这么多，直接可以选。。。。(^0^)

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