作业帮问几道高中英语单选题~1、If a rocket does not travel fast enough,it___back to the earth.A.had fallen B.would fall C.falls.D.fell2、My brother is an actor,he___in several films so far.A.appears B.appeared C.has appeared D.is appearing3、I
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问几道高中英语单选题~1、If a rocket does not travel fast enough,it___back to the earth.A.had fallen B.would fall C.falls.D.fell2、My brother is an actor,he___in several films so far.A.appears B.appeared C.has appeared D.is appearing3、I
问几道高中英语单选题~
1、If a rocket does not travel fast enough,it___back to the earth.
A.had fallen B.would fall C.falls.D.fell
2、My brother is an actor,he___in several films so far.
A.appears B.appeared C.has appeared D.is appearing
3、I really can't understand___her like that.
A.you treat B.you to treat C.why treat D.you treating
4、Years ago we didn't know this,but recent science___that people who don't sleep well soon get ill.
A.showed B.has shown C.will show D.is showing
答案是CCDB.我想要解析啊``详细一点.^^
问几道高中英语单选题~1、If a rocket does not travel fast enough,it___back to the earth.A.had fallen B.would fall C.falls.D.fell2、My brother is an actor,he___in several films so far.A.appears B.appeared C.has appeared D.is appearing3、I
1.C.falls
这里用一般现在时表示一般将来时,强调如果满足if从句所说的条件,fall这个动作是肯定会发生的.
2.C.has appeared
句子中有so far 说明要用现在完成时
3.D.you treating
understand 后只能用名词性的短语做其宾语,you treating在不正式用语中等于your treating,是动名词的复合结构,做understand的宾语.
4.B.has shown
用完成时强调“已经显示”这个结果.
第一题我不是很清楚
我是这样理解的，条件从句是一般现在时，主句用将来时的。也有一种情形，就是条件从句是一般现在时，主句用一般现在时。
2，因为前句是一般现在是，所以后句也是一般时态，又因为有so far，就是到目前为止。那就是一般现在完成时。
3，其实句子是i really cant unerstand you 然后再是treating her like that.是doi...
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第一题我不是很清楚
我是这样理解的，条件从句是一般现在时，主句用将来时的。也有一种情形，就是条件从句是一般现在时，主句用一般现在时。
2，因为前句是一般现在是，所以后句也是一般时态，又因为有so far，就是到目前为止。那就是一般现在完成时。
3，其实句子是i really cant unerstand you 然后再是treating her like that.是doing作状语，起伴随作用。
4，翻译一下，但是近代的科学已经解释了that。。。。。相比起其他选项的解释，这个合情合理很多。
1,4我自己不能用语法来解释了。希望看到下一位同学能解释得清楚一点
也希望能够帮到你啊
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