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【单选题】
KMnO 4 滴定法应在强酸介质中进行,其选用的酸为( )。A.
HCl
B.
H 2 SO 4
C.
HNO 3
D.
HCLO 4
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【判断题】Most people are either one extreme or the other in regard to cultural patterns.
A.
正确
B.
错误
【单选题】Consider the following argument: “Eating meat cannot be wrong, since most people today regard it as an acceptable practice.” Which of the following arguments could be used to refute the preceding argu...
A.
Owning slaves cannot be wrong, since most people today regard it as an acceptable practice (spoken by an eighteenth century farmer in South Carolina).
B.
Lying cannot be wrong, since most people today regard it as an acceptable practice (spoken by a advertising executive).
C.
Armed conflict cannot be wrong, since it is so widely practiced.
D.
none of the above
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