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【单选题】
According to the specifications, the two products are intended for two different uses, though at first glance they look ______ identical.
A.
near
B.
nears
C.
nearing
D.
nearly
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举一反三
【单选题】在 AgNO 3 饱和溶液中 , 加入 NaCl 固体 , 达平衡时 。
A.
c ( Ag + ) = c ( Cl - )
B.
c ( Ag + ) = c ( Cl - ) = [ K sp θ ( AgCl ) ] 1/2
C.
c ( Ag + ) = c (Cl - ) , [ c (Ag + ) / C θ ]·[ c (Cl - ) / C θ ] = K sp θ ( AgCl )
D.
c ( Ag + ) ≠ c (Cl - ) , [ c (Ag + ) / C θ ]·[ c (Cl - ) / C θ ] = K sp θ ( AgCl )
【判断题】纯电感交流电路中的有功功率P=0,即纯电感元件不是储能元件,而是耗能元件。
A.
正确
B.
错误
【单选题】在AgBr饱和溶液中加入AgNO3溶液,达到平衡时,溶液中在AgBr饱和溶液中加入AgNO3溶液,达到平衡时,溶液中
A.
Ksp(AgBr)降低
B.
Ag+浓度降低
C.
AgBr的离子浓度乘积降低
D.
Br-浓度降低
【判断题】纯电感交流电路中的有功功率P=0,即纯电感元件不是耗能元件,而是储能元件。
A.
正确
B.
错误
【单选题】This is not my dictionary. It's _________. She lent it to me this morning. [     ]
A.
my sister
B.
my sisters
C.
my sister's
D.
my sisters'
【多选题】运动特性属性有哪些?
A.
位置
B.
缩放
C.
旋转
D.
锚点
【单选题】如果在校园网中登陆外网后无法正常使用知网,如何解决( )
A.
退出登录,过两天再看
B.
放弃知网,登陆其他网站
C.
反复尝试、登陆,直到成功为止
D.
向图书馆反映,积极寻求解决方法
【单选题】福建省公路总里程有( )千米
A.
19万
B.
5153
C.
9.9万
D.
16.3万
【单选题】__, I had to buy a new one.
A.
My dictionary losing
B.
My dictionary having been lost
C.
My dictionary had been lost
D.
Because my dictionary lost
【单选题】在AgNO3饱和溶液中,加入NaCl固体,达平衡时
A.
c (Ag + )= c (Cl - )
B.
c (Ag + )= c (Cl - )=[ K θsp (AgCl)] 1/2
C.
c (Ag + ) ¹ c (Cl - ) , [ c (Ag + )/ c θ ] · [ c (Cl - )/ c θ ]= K θsp (AgCl)
D.
c (Ag + ) ¹ c (Cl - ) , [ c (Ag + )/ c θ ] · [ c (Cl - )/ c θ ] ¹ K θsp (AgCl)
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