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【多选题】
根据国家质量监督检验检疫总局的规定,出境货物报验时须提交的有关单据是( )
A.
外贸合同(确认书)
B.
信用证
C.
提单
D.
发票
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皮皮学刷刷变学霸
举一反三
【简答题】简述常用溶剂的极性分类以及极性排列顺序?
【单选题】下述哪项不属清气法的范围( )
A.
宣气化湿法
B.
轻清宣气法
C.
辛寒清气法
D.
清热泻火法
E.
清热宣肺法
【单选题】— Whose skirt is this? — It the little girl's, I saw her wear it this morning. [     ]
A.
can be
B.
can't be
C.
must be
D.
mustn't be
【简答题】I saw a little girl ________(run) across the street.
【单选题】The little girl seems to ____a lot since I last saw her.
A.
have been changed
B.
have changed
C.
change
D.
be changing
【多选题】现有浓度均为0.10mol·L -1 的醋酸V 1 mL和氢氧化钠溶液V 2 mL,下列说法正确的是
A.
常温下,上述溶液中,醋酸溶液的pH=1,氢氧化钠溶液的pH=13
B.
常温下,若两溶液混合后pH=7,则混合液:c(Na + )=c(CH 3 COO - )
C.
若 V 1 = V 2 ,将两溶液混合,所得混合液:c(CH 3 COO - )>c(Na + )>c(H + )>c(OH - )
D.
V 1 与V 2 任意比混合,所得混合液:c (Na + )+ c(H + ) =c(OH - )+ c (CH 3 COO - )
【单选题】下述哪项不属清气法的范围()
A.
宣气化湿法
B.
轻清宣气法
C.
辛寒清气法
D.
清热泻火法
【简答题】On a Sunday morning, I was driving down a road and saw something I couldn’t believe. A little girl, less than two, was pushing her stroller (婴儿车) across the road. It was Sunday morning and traffic was...
【单选题】When I passed by, I saw a little girl ______ with a dog. [     ]
A.
play
B.
played
C.
was playing
D.
playing
【单选题】将浓度为 0.10mol/L和0.20mol/L的硫酸溶液等体积混合(假设混合后溶液体积为原溶液体积的两倍),所得硫酸溶液的浓度为
A.
大于0.15mol/L
B.
小于0.15mol/L
C.
等于0.15mol/L
D.
无法确定
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