1、It____ten years since he left Shanghai.A.were B.is C.had been D.will be2、She____sick for two days before Thursday.A.had been B.was C.has been D.is being 3、As a boy,James Watt,who invented the steam engine later,____questions.A.always asks B.h
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/09 23:03:34
xTMOJ+l)$m+ee`CcE)$iChhID@+C_Z^/;4R[={sϝgsE"'u4A
As䑁+6Ȫ4)H(&)"p'.Թ98
X:=J$JyQ4|@y! `!@TJQFTIf]ԑ/yo0pJI UhAH
"#ͪ
\ȓD7ԄotX`!8q
zx*\VL{
tqlig;E7 ;{֔[Þ} 0Yބ<
b̕Б9.nn~*N0s {=yݷ+HX'&:^[!LX1)r^3 ruCAu$FÚEnx5دisB@{)EYof$FHNFYvwE_3V6G݈dw=Ux۫?2ew,^%adMq`
Yeθ6kgb7ҷt@tm`$dV&ɬ~ϟH3-9
^C _[C.ԽMs(M4^lU$4]i}Miiܡw~y#`?
It____ten years since I saw him last time.A has B was C had been D is
It____ten years since his father died .A is Bwas Chad been Dwill be 为什么选a请具体一些
1、It____ten years since he left Shanghai.A.were B.is C.had been D.will be2、She____sick for two days before Thursday.A.had been B.was C.has been D.is being 3、As a boy,James Watt,who invented the steam engine later,____questions.A.always asks B.h
SI
si
句型转换:1.Si Yu taught herself English when she was five years old Si Yu ____ English ___ when
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]
I haven't seen him in years.句中 seen him 连读成/si:nim/可以吗?
英语填空l do not know his 【a _____】maybe he si about 13 years old
晶体SI硅中为什么1MOL SI平均形成2MOL SI-SI?图上不是有很多SI-SI键吗?为什么1 mol Si假设它里面只有2个硅原子?而不是更多,这不是有很多
1、I discorvered that the most important requirement was ( ) English well .A sperk B to speak C say D to say2、It si five years ( ) the old man died .A that B when C since D for
MOV AX,2000H MOW DS,AX MOC CL,4 MOV SI,2000H MOV AL,[SI+1] SI是多少?