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【单选题】
I advise you ________ to make computers serve us better.
A.
  study  
B.
to study hard    
C.
studying hard
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参考答案:
举一反三
【简答题】A.He has a friend who majored in economics. B.He hasn't taken more than one economics course. C.He's been learning economics this year. D.He couldn't make any sense out of his course.
【单选题】The branch of economics that is concerned with the overall performance of the economy is called ( ) .
A.
resource economics
B.
contemporary economics
C.
macroeconomics
D.
microeconomics
【判断题】清洗器皿的目的是为了防止油污、重金属离子,酸碱等有害物质残留在器皿内。
A.
正确
B.
错误
【单选题】反映直接作用于感觉器官的客观事物的个别属性的心理过程是
A.
感觉
B.
知觉
C.
记忆
D.
思维
E.
想象
【判断题】器皿清洗的目的是防止油污、重金属离子、酸碱等有害物质残留在器皿内,影响培养物生长。
A.
正确
B.
错误
【判断题】器皿清洗的目的是防止油污、重金属离子、酸碱等有害物质残留在器皿内,影响培养物生长。
A.
正确
B.
错误
【单选题】反映直接作用于感觉器官的客观事物的个别属性的心理过程是( )
A.
感觉
B.
思维
C.
记忆
D.
知觉
E.
想象
【单选题】The distinction between positive and normative economics ( ) .
A.
is that positive economics applies only to microeconomic problems
B.
is that normative economics applies only to microeconomic problems
C.
explains why economics is not a social science but a natural science
D.
helps us to understand why economists sometimes disagree with one another
【多选题】根据训练课的主要任务和内容,实践中将训练课划分为( )
A.
身体训练
B.
技、战术训练课
C.
测验、比赛课
D.
调整训练课
【单选题】What is the passage mainly about?
A.
The problems of economics.
B.
How to teach economics?
C.
The economic students' trouble.
D.
How to reform. teaching methods?
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