1.In the recent coal mine accident,only 24 miners were rescued and 29 were left _C_ underground.A.to be trappedB.being trappedC.trappedD.trapping*leave的用法?是不是相当于be?2.When he struggled up,he felt his left ankle _sprained__,and found

1.In the recent coal mine accident,only 24 miners were rescued and 29 were left _C_ underground.A.to be trappedB.being trappedC.trappedD.trapping*leave的用法?是不是相当于be?2.When he struggled up,he felt his left ankle _sprained__,and found
1.In the recent coal mine accident,only 24 miners
were rescued and 29 were left _C_ underground.
A.to be trapped
B.being trapped
C.trapped
D.trapping
*leave的用法?是不是相当于be?
2.When he struggled up,he felt his left ankle
_sprained__,and found his left hand _swollen_ and
his nose __bleeding__.
*这里done和doing要怎么区别使用啊?
3.__C____ confidence in yourself is the biggest
barrier _____ greater progress in your work.
A.Lacking of,to making
B.Lack of,to make
C.Lack of,to making
D.The lack of,to make
*我选了D.还有,顺便问一下什么叫介词
to

1.In the recent coal mine accident,only 24 miners were rescued and 29 were left _C_ underground.A.to be trappedB.being trappedC.trappedD.trapping*leave的用法?是不是相当于be?2.When he struggled up,he felt his left ankle _sprained__,and found
1.In the recent coal mine accident,only 24 miners were rescued and 29 were left _C_ underground.
A.to be trapped B.being trapped C.trapped D.trapping
*leave的用法?是不是相当于be?
答：leave sth. done 在这里的用法相当于make sth. done ,让某事被做.只不过后者是要付出努力的‘让’,前者不需要付出努力的‘让’,只要离开,不用管,就可以了.比如leave the homework unfinished . The accident left 29 peoeple trapped underground. 事故是过去了,人还困在地下!上面的只是被动语态的说法：... and 29 were left trapped underground
译：在最近的一次煤矿事故中,只有24人获救,29人给困在地下.
2.When he struggled up,he felt his left ankle （sprained ）,and found his left hand （swollen ）and his nose （bleeding）.
*这里done和doing要怎么区别使用啊?
答：和上句中的leave, make一样,feel 动词后常跟复合宾语,宾语补足语可以是过去分词或现在分词或形容词.看它与前面宾语在逻辑上的关系而定,主动用现在分词 feel sb. doing sth. ,被动用过去分词 feel sth. done
ankle是被扭(被动的,用过去分词sprained0, nose 是在出血（主动的,用bleeding）hand is swollen (swollen这里是形容词）
3.__C____ confidence in yourself is the biggest barrier _____ greater progress in your work.
A.Lacking of,to making
B.Lack of,to make
C.Lack of,to making
D.The lack of,to make
*我选了D.请解释一下 还有,顺便问一下什么叫介词 to
答：to有不定式符号to和介词to之分,前者后跟动词原形,如to make, 后跟名词或相当于名词的动名词.这时的to解释为“对.”,“到.”,常见的容易误以为是不定式符号的几个：look forward to ..., be used to ., stick to .要记住.
be a barrier to (doing )sth. 意为“对（做）某事来说是一个障碍.这个to就是介词,容易误以为是不定式.Lack可作及物动词,可作名词.如果A没有 of, 则Lacking confidence 作为动名词短语也是可以作主语的.BD的主要错误在于后一空.

这个题后面的trapped是过去分词作宾语补语，只不过这里是被动语态不太容易看出来。换成主动时态就是sht leave 29 miners trapped underground.trapped是修饰miners的
这里用done或者doing主要是看动作时被动还是主动还有时态。像发现鼻子正在流血就是doing.不能说被流血。
这个题我也选D吧。介词to没有什么特别的吧。

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这个题后面的trapped是过去分词作宾语补语，只不过这里是被动语态不太容易看出来。换成主动时态就是sht leave 29 miners trapped underground.trapped是修饰miners的
这里用done或者doing主要是看动作时被动还是主动还有时态。像发现鼻子正在流血就是doing.不能说被流血。
这个题我也选D吧。介词to没有什么特别的吧。
另外我觉得第三题，重点在于知道lack of sth是一种习惯用法lack作为名词应该没有前面加the的习惯。后面的把to 当做介词就好理解了。看了几个例句都是这样：Lack of evidence resulted in their acquittal.因证据不足而宣判他们无罪。
Fixed wages and lack of promotion act as a disincentive to employees.
工资固定又无晋升机会遏制了雇员的积极性。
The accused got off/escaped scot-free because of lack of evidence.
由於证据不足，被告未受惩罚。

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1、leave + n. + v-ed是固定用法
2、当动词与名词是动宾关系时，用done，如sprain his left ankle
，sprain是及物动词， his left ankle 做sprain的宾语；当名词与动词是主谓关系时，用doing，如 his nose bleed，his nose 做主语，bleed是不及物动词，做谓语
3、我选C，lack本...

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1、leave + n. + v-ed是固定用法
2、当动词与名词是动宾关系时，用done，如sprain his left ankle
，sprain是及物动词， his left ankle 做sprain的宾语；当名词与动词是主谓关系时，用doing，如 his nose bleed，his nose 做主语，bleed是不及物动词，做谓语
3、我选C，lack本身即可作名词，与of连用表示缺乏某物，不必加the 。当to用作介词时，其后跟名词或动名词 ，这是它用作介词的标志。

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.In the recent coal mine accident,only 24 miners
were rescued and 29 were left _C_ underground.
A.to be trapped
B.being trapped
C.trapped
D.trapping
*leave的用法？是不是相当于be？
答：...

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.In the recent coal mine accident,only 24 miners
were rescued and 29 were left _C_ underground.
A.to be trapped
B.being trapped
C.trapped
D.trapping
*leave的用法？是不是相当于be？
答：应该选C。 这是leave sb/sth +宾语补足语 意思是“使...处于某种状态”
用过去分词作宾补表示被动，29 were left trapped underground意思是：29人被困在地下。
也可以用形容词、名词等作宾补。又如：
Who left the door open?
His parents died, leaving him an orphan.
2.When he struggled up,he felt his left ankle
_sprained__,and found his left hand _swollen_ and
his nose __bleeding__.
*这里done和doing要怎么区别使用啊？
这是find sb/sth doing/done/adj的用法。
用过去分词宾补表示宾语是分词动作的承受者；用现在分词作宾补表示宾语是分词动作的发出者；用形容词作宾补表示状态。
翻译：当他挣扎着起来后发现左脚踝被扭伤了，而且左手肿了（swollen是形容词表示状态），鼻子在流血。
3.__C____ confidence in yourself is the biggest
barrier _____ greater progress in your work.
A.Lacking of,to making
B.Lack of,to make
C.Lack of,to making
D.The lack of,to make
*我选了D。请解释一下 还有，顺便问一下什么叫介词
to
答：barrier意思是障碍, 隔阂
例如：Lack of confidence is the biggest barrier to investment in the region.
缺乏信心是在这一地区投资的最大障碍。
lack作名词时，后接of 再接名词。
介词是一种用来表示词与词、词与句之间的关系的虚词，在句中不能单独作句子成分。介词后面一般有名词代词或相当于名词的其他词类，短语或从句作它的宾语。介词和它的宾语构成介词词组，在句中作状语，表语，补语或介词宾语。
祝你学习愉快~
介词常用的有：in, of, to, by

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1.In the recent coal mine accident,only 24 miners were rescued and 29 were left -trapped- underground.
这里were(be)+left(过去分词)构成被动结构，之后的trapped underground为过去分词，表示本分句主语“29”的状态。
2.When he struggl...

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1.In the recent coal mine accident,only 24 miners were rescued and 29 were left -trapped- underground.
这里were(be)+left(过去分词)构成被动结构，之后的trapped underground为过去分词，表示本分句主语“29”的状态。
2.When he struggled up,he felt his left ankle _sprained__,and found his left hand _swollen_ and his nose __bleeding__.
*这里done和doing要怎么区别使用啊？
done和doing都属于非谓语动词，doing叫现在分词，主要表示主动与进行done为过去分词，表示被动与完成；
主被动是相对于分词与其逻辑主语之间所形成的关系，而进行与完成则是相对于句子谓语动词状态而言
例如：he felt his left ankle _sprained,这个分句中，sprain为及物动词，因为它与它的逻辑主语(非谓语动词动作的执行者或承受着，不一定是句子主语)his left ankle之间是动宾（即被动）关系。He sprained his left ankle.=His left anke was sprained.
he felt his nose bleeding. 这个分句中，bleed为不及物动词，bleeding现在分词表示“流血”这个动作与felt（过去时）同时进行。
要注意的是：一般，及物动词主要强调主被动关系，而不及物动词则主要表示动作完成或进行的状态
3. Lack of confidence in yourself is the biggest barrier to making greater progress in your work.
第一个空的lack前没有定冠词the存在的必要，详细可参阅the的具体用法；
to可以做介词，在许多短语里存在，之后只接名词、代词或doing(动名词)，如be addicted to sth, look forward to doing sth, etc. 具体如下：
一：表示相对，针对 be strange to
二：表示对比，比较
1：以-ior结尾的形容词，后接介词to表示比较 senior,junior
2: 一些本身就含有比较或比拟意思的形容词 A is similar to B in many ways.
3：表示一些先后顺序的形容词 they returned to their hometown
4: to也偶尔出现在个别动词之后,与动词形成固定词组,表示比较 compare to sth.
5: to与及个别的名词构成比较之意, Going to an under water concert is a great alternative to going to dinner.
三: 表示修饰关系
1: 表示回复,反应意思的词 answer to question
2: 表示建筑构件的词汇 the approach to science
3: 表示人物职位和官衔的词 assistant to manager
4: 表示权利和许可的词汇 Everyone has an equal right to
5: 表示栅栏或障碍的词汇 the barrier to progress
6: 表示与书籍,文本相关的词 introduction to passage
7: 表示恭喜或是祝贺 Let’s drink to Dick’s success in business
8: 另外还有一些名词符合这种用法,有的具有两者息息相关,缺一不可的含义 guide to action
四: to还具有依据,伴随,和着节奏的含义 sing to piano
（一）：表示相关联，相连接 be related to
（二）：表示反对和赞同
1：to引导的表示反对，抗拒，对抗意义的词组 be opposed to
2: to引导的表示同意，赞同意义的词组 The employer consented to give him a salary raise
3: 表示投降,屈服,服从的含义 confess to
五: 表示趋势或倾向, tend to
六: 表示对事情的坚持与执着 He still holds on to his original views
七: 表示约束,局限 limit to
八: 表示一种习惯或是一种适应性 get (be) to
九: 表示起因和原由 due to
十: 表示目的或结果 lead to

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