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【判断题】
螳螂的后足为捕捉足。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【单选题】Among the basic categories of equipment, which of the following are used to convert the hydraulic energy into linear motion?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【简答题】渗出性出血的原因是什么？
【单选题】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.
【单选题】Among the basic categories of equipment, which of the following is used to convert hydraulic energy into continuous rotary motion?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
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