设想、打算一般是初步的,预备性的,都属于正式的计划。
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我今年的学习目标是取得优异成绩。这个目标制定符合计划的写作要求。
A. 对
B. 错
Comparative structuresWe usually use as + adj. / adv. + as to say that people and things are the same as each other. The second night at the hotel was as noisy as the first one. We can also use x times as + adj. / adv. + as.... the concert was twice as long as intended.means the same as:... the concert was twice longer than intended. Rewrite the sentences using x times as + adj. / adv. + as.1. The Himalayas are twice higher than the Alps.2. Provence was ten times more beautiful than he had thought.3. The journey was three times longer than he wanted.4. Their speeches took six times longer than my lecture.5. The theatre was ten times larger than any they had performed in before.
占先式优先级为0和2的两个中断事件同时发生时,以下哪项正确。
A. 占先式优先级为0的中断事件会中断当前的主程序运行
B. 占先式优先级为2的中断事件会中断当前的主程序运行
C. 等待主程序执行完成后,再执行
D. 占先式优先级为0的中断事件会中断占先式优先级为2的中断事件
STM32有两种优先级,当同时发生多个中断申请时,下面中断优先级的处理原则_______是正确的。
A. 高打断低
B. 先高后低
C. 高不理低
D. 以上都对