同志们,1、It si difficuit for us to learn in life_____we've actually had that lesson.A.when B.after C.since D.until2、They will won't konw which facts to _____from the great amount of information in the book.A.decide B.choose C.find D.prefer3、
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同志们,
1、It si difficuit for us to learn in life_____we've actually had that lesson.
A.when B.after C.since D.until
2、They will won't konw which facts to _____from the great amount of information in the book.
A.decide B.choose C.find D.prefer
3、Have you heard of the story Harry Potter?It likes this :There was a boy who...
A.tells;looks B.comes;looks C.goes;sounds D.says;sounds
1.until
2.choose from 固定搭配
3.goes,sounds (says 后面一般不用like)
a b
同志们,1、It si difficuit for us to learn in life_____we've actually had that lesson.A.when B.after C.since D.until2、They will won't konw which facts to _____from the great amount of information in the book.A.decide B.choose C.find D.prefer3、
同志们,
同志们,
同志们?
同志们,
同志们
同志们,
1+1=?同志们,帮个忙呗.
SI
si
1mol晶体硅有几摩尔Si—Si?
1mol sic中si c个数si-c键
1mol晶体Si含几molSi-Si键
SI单位为1是什么意思
1mol的Si里有多少Si-Si键,1mol的SiO2里有多少Si-O键?
1mol Si中含有几摩尔Si-Si键 为什么?结构图是怎样的?
MOV AX,468AH MOV SI,1357H MOV [SI],AX MOV CL,4 SHR BYTE PTR[SI],CL SHL WORD PTR[SI],1 MOV AX,[SI]
Your room is si dirty.You must____ it clean.