1.---What can I do for you?---I'd like to buy a present for my son,______at a proper price but of great use.A one B the one C which D that2.Progress so far has been very good.We are ,________,confident that the work will be completed on time.A.howeve

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1.---What can I do for you?---I'd like to buy a present for my son,______at a proper price but of great use.A one B the one C which D that2.Progress so far has been very good.We are ,________,confident that the work will be completed on time.A.howeve
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1.---What can I do for you?---I'd like to buy a present for my son,______at a proper price but of great use.A one B the one C which D that2.Progress so far has been very good.We are ,________,confident that the work will be completed on time.A.howeve
1.---What can I do for you?
---I'd like to buy a present for my son,______at a proper price but of great use.
A one B the one C which D that
2.Progress so far has been very good.We are ,________,confident that the work will be completed on time.
A.however B otherwise C therefore Dbesides
3.It might rain tomorrow,______we'll have to put off the sports meeting until next Friday.
A in case that B if possible C in case D in which case

1.---What can I do for you?---I'd like to buy a present for my son,______at a proper price but of great use.A one B the one C which D that2.Progress so far has been very good.We are ,________,confident that the work will be completed on time.A.howeve
1.A one 为正确选项.
这里的one是做前面present的同位语,而后面的at a proper price but of great use则做后置定语修饰one的.也可以把one at a proper price but of great use看作是定语从句one that is at a proper price but of great use的省略.其余三个选项都不具备做同位语的功能;
2,C therefore 为正确选项.
第一个句子的意思是,“到目前为止,(工作的)进展不错.”,而第二个句子的意思是,“我们相信能准时完成工作.”由此而知,前面两个句子有因果关系,用therefore;
3,D in which case为正确选项.
后面的句子是个非限制性定语从句,先行词是前面整个句子It might rain tomorrow,关系代词是which.其它选项都不对.句子的意思是,"明天可能下雨.如果这样的话,我们要把运动会推迟到下星期五."

1c 2c 3d

1.A
首先淘汰CD,因为后面没有谓语动词,所以不是从句,而CD 是连接从句的。
其次排除B,B是特指,尽管我们看到上文提到过present,但是及时联系后面来理解,只是知道这个礼物大概什么样,也不知道这是个什么礼物,所以无须特制。
A 在此处做同位语。
2. C 此处做插入语,不影响句子成分,所以只要把四个选项带入句子翻译就行了
目前为止进展顺利。因此,我...

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1.A
首先淘汰CD,因为后面没有谓语动词,所以不是从句,而CD 是连接从句的。
其次排除B,B是特指,尽管我们看到上文提到过present,但是及时联系后面来理解,只是知道这个礼物大概什么样,也不知道这是个什么礼物,所以无须特制。
A 在此处做同位语。
2. C 此处做插入语,不影响句子成分,所以只要把四个选项带入句子翻译就行了
目前为止进展顺利。因此,我们有信心按时完成工作。
3. D
AC的意思都是以防万一。。。也可以,只不过和D比起来,不如D更切合实际,因为明天可能会下雨,可能谨慎的人会推迟运动会,但是运动会是许多人参加的,一般情况下是不能随便更换日期的。AC的意思是以防万一就把运动会推迟了,问题是明天还不一定下雨呢。
B if引导的条件状语从句,省略了it is,但是带入句子的话翻译:明天可能会下雨,如果可能的话,我们将会把运动会推迟直到下周五。重点 :还没下雨呢。带入句子语境不合
D引导非限制性定语从句。

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