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【单选题】
络合滴定中,如除酸效应外没有其它副反应,则滴定终点处金属离子平衡浓度的负对数 pMep(或 pM'ep)=
A.
lgKMIn - lgαIn(H)
B.
lgKMY - lgαY(H)
C.
lgKMIn
D.
lgKMY
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【判断题】汽车空调在使用暖风系统时,制冷系统是不工作的 。( )
A.
正确
B.
错误
【简答题】Songs which are indigenous to a specific people group or region are _____________.
【单选题】下列哪项不是汽车空调采暖系统的作用?
A.
净化空气。
B.
冬季供暖。
C.
实现冷暖一体化空调。
D.
风窗除雾。
【多选题】汽车空调暖风系统的作用是( )。
A.
取暖
B.
制冷
C.
除湿
D.
除霜
【单选题】Which of the following does not belong to the same group in terms of the degree of being specific?
A.
Scientist
B.
Professional
C.
Doctor
D.
Teacher
【单选题】Which of the following terms is defined as the set of values, beliefs, rules, and institutions held by a specific group of people?
A.
law
B.
philosophy
C.
culture
D.
science
【单选题】Which specific group of genes specifies the identities of individual body segments?
A.
segmentation genes
B.
gap genes
C.
homeotic genes
D.
pair-rule genes
E.
segment-polarity genes
【单选题】供应链管理理论产生于 20 世纪 80 年代初的
A.
中国
B.
美国
C.
德国
D.
日本
【单选题】Which of the following does not belong to the same group in terms of the degree of being specific?
A.
Professional.
B.
Teacher.
C.
Scientist.
D.
Doctor.
【单选题】are situation-specific language varieties which are appropriate for use in particular speech situations,or when communicating with a particular group of people.
A.
Registers
B.
Slangs
C.
Jargons
D.
Situational dialects
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