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解决下面这些题Muchattentionshouldbepaid()thewildanimaisasmanyofthemaredyingout.A.toprotectingB.toprotectC.protectingD.protectThefilm()novelbyD.HLawrence.A.basedonB.bebasedonC.isbaseduponD.wasbasedofWhat(Who)
题目详情
解决下面这些题
Much attention should be paid ( ) the wild animais as many of them are dying out.
A.to protecting B.to protect C.protecting D.protect
The film( )novel by D.H Lawrence.
A.based on B.be based on C.is based upon D.was based of
What(Who)( )him (from)going?
A.asked B.kept C.stoped D.prevented
含有MgCl2\KCl\Na2SO4三种物质的混合溶液,其中氯离子1.5MOL,钠离子和钾离子共1.5MOL,镁离子0.5MOL,求硫酸根离子的物质的量.
感激不尽!
Much attention should be paid ( ) the wild animais as many of them are dying out.
A.to protecting B.to protect C.protecting D.protect
The film( )novel by D.H Lawrence.
A.based on B.be based on C.is based upon D.was based of
What(Who)( )him (from)going?
A.asked B.kept C.stoped D.prevented
含有MgCl2\KCl\Na2SO4三种物质的混合溶液,其中氯离子1.5MOL,钠离子和钾离子共1.5MOL,镁离子0.5MOL,求硫酸根离子的物质的量.
感激不尽!
▼优质解答
答案和解析
C.protecting
全句是be paid on protecting,这里 on 可以省略,所以选C
C.is based upon
based 前面要加be动词,后面只能加on 或者upon,故排除A和D,而选项B前面用be也不对,所以选C
最后,化学题的答案是 0.5MOL
全句是be paid on protecting,这里 on 可以省略,所以选C
C.is based upon
based 前面要加be动词,后面只能加on 或者upon,故排除A和D,而选项B前面用be也不对,所以选C
最后,化学题的答案是 0.5MOL
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