This pair of jeans looks nice __________ Sandy because she looks very nice __________ blue.
A:on; in
B:in; on
C:for; on
D:to; in
配制一定物质的量浓度的NaOH溶液时,造成所配溶液浓度偏低的原因是( )
如图所示的电场中,A,B两点电场强度相同的是( )
yě huā
yóu jú
zuò kè
lǐ wù
yě xǔ
hàn zhū
____
xiū xi
shù miáo
nán dào
jiù shì
hé àn
tián cài