英语:1.How is it _____he has made such rapid progress?
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英语:1.How is it _____he has made such rapid progress?
A.that B.why C.when D.the one
此题答案A,为什么不能选D?
2.The guide____they climbed the mountain was a very patient man.
A.under whom aid B.in whose aid C.with whose aid D.the aid of whom
此题答案C,为什么?怎么区分这4个答案?
3.Seeing someone in trouble,he always _____help to them.
A.provides B.supplies C.offers D.presents
这题答案C,为什么不选B?
4.The problem _____to be much more difficult than we had supposed.
A.proved B.turned C.was proved D.was turned out
此题答案A,为什么不能选C?
5.--Do you work hard at your lessons?
--Yes,I_____ no effort.
A.spend B.spare C.waste D.share
此题选B,这句话怎么翻译的呢?
下列溶液中Cl-浓度最大的是( )
A.200mL 2mol/L MgCl2溶液
B.1000mL 2.5mol/L NaCl溶液
C.250mL 1mol/L AlCl3溶液
D.300mL 5mol/L KClO3溶液
此题答案A,为什么不是D?
2.【标准状况下,11.2LSO3所含的分子数为0.5NA(阿伏加德罗常数)】这句话为什么不对?
A.that B.why C.when D.the one
此题答案A,为什么不能选D?
2.The guide____they climbed the mountain was a very patient man.
A.under whom aid B.in whose aid C.with whose aid D.the aid of whom
此题答案C,为什么?怎么区分这4个答案?
3.Seeing someone in trouble,he always _____help to them.
A.provides B.supplies C.offers D.presents
这题答案C,为什么不选B?
4.The problem _____to be much more difficult than we had supposed.
A.proved B.turned C.was proved D.was turned out
此题答案A,为什么不能选C?
5.--Do you work hard at your lessons?
--Yes,I_____ no effort.
A.spend B.spare C.waste D.share
此题选B,这句话怎么翻译的呢?
下列溶液中Cl-浓度最大的是( )
A.200mL 2mol/L MgCl2溶液
B.1000mL 2.5mol/L NaCl溶液
C.250mL 1mol/L AlCl3溶液
D.300mL 5mol/L KClO3溶液
此题答案A,为什么不是D?
2.【标准状况下,11.2LSO3所含的分子数为0.5NA(阿伏加德罗常数)】这句话为什么不对?
1、这个应该还原一下,我觉得第一个词应该是what,还原之后为:it is what that has made him such rapid progress.这应该是个定语从句.
2、这道题也用还原法,还原之后为:The guide(they climbed the mountain with whose aid )was a very patient man.括号内是定语从句,修饰guide的,主句是括号外面的.定从中是说她们在导游的帮助下爬山.在某人的帮助下是with one's aid.
3、offer sth to sb .offer sb sth.offer有主动提供的意思.support sb.with sth.
4、记住prove证明,没有被动语态,和happen当发生讲一样,它们都是及物动词
及物动词无被动语态.
5、我没有分散任何精力或注意力
1、A:C=2*0.2*2=0.8 D:C=1*0.3*5=1.5 可是KClO3的clo3会点解成氯酸跟离子,到最后还是远远小于0.8的
2、SO3在标准状况下是固态.
(解答完毕,累死了……)
2、这道题也用还原法,还原之后为:The guide(they climbed the mountain with whose aid )was a very patient man.括号内是定语从句,修饰guide的,主句是括号外面的.定从中是说她们在导游的帮助下爬山.在某人的帮助下是with one's aid.
3、offer sth to sb .offer sb sth.offer有主动提供的意思.support sb.with sth.
4、记住prove证明,没有被动语态,和happen当发生讲一样,它们都是及物动词
及物动词无被动语态.
5、我没有分散任何精力或注意力
1、A:C=2*0.2*2=0.8 D:C=1*0.3*5=1.5 可是KClO3的clo3会点解成氯酸跟离子,到最后还是远远小于0.8的
2、SO3在标准状况下是固态.
(解答完毕,累死了……)
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