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【单选题】
依据《中华人民共和国教育法》教育是社会主义现代化建设的基础，国家保障教育事业()A.
优先发展
B.
持续发展
C.
重点发展
D.
均衡发展
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反馈参考答案：
举一反三
【单选题】The circuit in Figure 8-1 fails to produce the proper data output. The individual flip-flops are checked with a logic probe and pulser and each checks OK. What is the most likely cause of the problem?
A.
One of the interconnect lines between two stages has a solder bridge to ground.
B.
The data output line is grounded.
C.
One of the flip-flops has a solder bridge between its input and Vcc.
D.
One of the clock input lines is open.
【简答题】ENGINE COOLING CIRLUITS Most marine engines utilize one or more cooling-water circuits. A closed freshwater cooling circuit is always used for cooling the engine jacket water. A second circuit is also...
【判断题】The most important consideration for dust control within a grinding/classification/product storage circuit is dust containment，and the second is dust collection.
A.
正确
B.
错误
【单选题】The circuit is most probably a ( )?
A.
Two-to-Four-line decoder
B.
full adder
C.
4*16 decoder
D.
encoder
【单选题】In computer case, , sometimes called system board, is the largest and most important circuit board.
A.
blackboard
B.
chipboard
C.
motherboard
D.
circuit board
【判断题】For RC circuits, it is most convenient to choose the capacitive voltage; for RL circuit, it is best to choose the inductive current.
A.
正确
B.
错误
【判断题】Most diodes are similar in appearance to a resistor and will have a painted line on one end showing the direction or flow (white side is negative). If the negative side is on the negative end of the c...
A.
正确
B.
错误
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