Which is the synonym of “lavish”?
A. Temperate
B. Moderate
C. Excessive
D. Modest
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Which of the following is not renewable energy?
A. Wind energy
B. Fossil fuels
C. Solar energy
D. Geothermal energy
What is meaning of “red herring”?
A. Something that distracts attention from the real issue
B. Something that attracts attention
C. A dead herring
D. A kind of fish living in the sea
51单片机的外部中断触发请求方式有______ 触发和______ 触发。
51单片机中,如果5个中断源设为同级别的中断,那么最先被响应处理的是______ 。
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