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下列关于三羧酸循环的叙述错误的是
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TAC中产生FADH2的步骤是
Complete the sentences with words from the boxes. Then discuss with a partner which fact(s) you think are true. Why (not)? caravan smell petrol puff shorten1 One in five people in the UK go on holiday in a ____________ every year.2 China is the second biggest consumer of ____________ in the world.3 ____________ is the sense most connected with memory.4 Ninety percent of smokers who quit are likely to ____________ on a cigarette again in their lifetime.5 Being overweight at 40 can ____________ your life by seven years.
甲乙两个接触器,欲实现互锁控制,则应( )
对于复合按钮，当按下时，( )。
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