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【单选题】
设变量a是int型，f是int型，i是double型，则表达式10+a+i*f值的数据类型为A.
int
B.
float
C.
double
D.
不确定
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皮皮学刷刷变学霸
举一反三
【单选题】差示光谱法测定药物含量时,测定的是
A.
某一波长处，同一物质在二种不同介质中的△A值。
B.
某一物质在两个波长处（为另一物质的等吸收波长）的△A值。
C.
样品与空白试剂的△A值。
D.
最大与最小吸收度的△A值
E.
两种成分的吸收度比值
【单选题】Sociology is the study of language in relation to ____, such as social class, educational level and so on.
A.
age
B.
gender
C.
profession
D.
social factors
【单选题】In this passage the author argues that______
A.
more and more evidence shows college education may not be the best thing for high schoo graduates
B.
college education is not enough if one wants to be successfu
C.
college education benefits only the intelligent, ambitious, and quick-leaning people
D.
intelligent people may learn quicker if they don't go to college
【单选题】采用差示光谱法测定药物的含量时,实际测定的是( )。
A.
两种成分的吸光度比值
B.
最大和最小吸光度的ΔA值
C.
某一波长，同一物质在不同介质中的ΔA值
D.
样品和空白试剂的值
E.
某一物质在两个波长处的ΔA值
【单选题】According to the review, what is the fundamental mission of traditional university education?
A.
Knowledge learning and career building.
B.
Learning how to solve existing social problems.
C.
Researching into solutions to current world problems.
D.
Combining research efforts of teachers and students in learning.
【单选题】差示光谱法测定药物含量时,测定的是
A.
某一波长处，同一物质在两种不同介质中的ΔA值
B.
某一物质在两个波长处（为另一物质的等吸收波长）的ΔA值
C.
样品与空白试剂的ΔA值
D.
最大与最小吸收度的ΔA值
E.
两种成分的吸收度比值
【单选题】采用差示光谱法测定药物的含量时,实际测定的是
A.
两种成分的吸光度比值
B.
最大和最小吸光度的△A值
C.
某一波长，同一物质在不同介质中的△A值
D.
样品和空白试剂的△A值
E.
某一物质在两个波长处的△A值
【简答题】目前电子商务涉及的法律问题主要有哪些?已经出台的电子商务法律有哪几部?
【单选题】According to the review, what is the fundamental mission of traditional university education?
A.
Knowledge learning and career building.
B.
Learning how to solve existing social problems.
C.
Researching into Solutions to current world problems.
D.
Combining research efforts of teachers and students in learning.
【简答题】目前电子商务涉及的法律问题主要有哪些?税收问题主要涉及哪些方面?
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