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【单选题】
k=10时,溶质在流动相中的百分率为( )
A.
9.1%
B.
10%
C.
90%
D.
91%
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参考答案:
举一反三
【判断题】牛肉是pork
A.
正确
B.
错误
【单选题】Those Americans who participate in public discussions about the church-state issues believe that
A.
these issues have nothing to do with America's fate
B.
these issues have close relationship with America's destiny
C.
these issues have indirect relationship with America's future
D.
these issues have immediate relationship with America's present
【简答题】expansion(v及意思)
【单选题】下列各组分子或离子中,不属于共轭关系的是
A.
HCO3-和CO32-
B.
H2O和OH-
C.
H3O+和OH-
D.
NH4+和NH3
【单选题】How many caves are preserved in Mogao Grottoes today?
A.
492
B.
560
C.
389
D.
670
【单选题】下列词语解释不正确的一项是
A.
飞扬跋扈:骄横放肆
B.
意气相投:形容志趣、性格很投和
C.
翩翩:形容举止洒脱(多指青年女子)
D.
不羁:不受束缚
【单选题】Those Americans who participate in public discussions about the church -state issues beileve that _____
A.
these issues have nothing to do with America's fate
B.
these issues have close relationship with America's destiny
C.
these issues have indirect relatiosnhip with America's future.
D.
these issues have immediate relatiosnhip with America's Present.
【简答题】饺子用小麦粉(flour for dumpling)
【单选题】下列各组分子或离子中,不属于共轭酸碱关系的是( )
A.
HCl-Cl -
B.
H 2 CO 3 -CO 3 2-
C.
H 2 CO 3 -HCO 3 -
D.
NH 4 + -NH 3
【单选题】存在抄袭现象的广告通常被认为不是好广告,因为违背了广告创意的哪条评价标准()
A.
关联性
B.
原创性
C.
易懂性
D.
震撼性
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