A.实践性
B.阶级性
C.客观真理性
D.理论系统性
第1题
A.hydraulic pumps
B.valves
C.hydraulic cylinders
D.hydraulic motors
第2题
A.the hydraulic pumps
B.valves
C.hydraulic cylinders
D.hydraulic motors
第3题
A.hydraulic pumps
B.valves
C.hydraulic cylinders
D.hydraulic motors
第4题
A、Teacher-centered methods
B、Language-centered methods
C、Learner-centered methods
D、Learning-centered methods
第5题
Which of the following is not among the basic features of a relational database?
A.It does not matter what order the rows are in.
B.It does not matter what order the columns are in.
C.Different columns should have different column names.
D.Different columns should have different data types.
第6题
第7题
第8题
A、incidental, not intentional.
B、meaning focused, not form focused.
C、production based.
D、cyclical and parallel, not sequential and additive.
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