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【单选题】
下列哪种代谢形成的乙酰CoA为酮体生成的原料()
A.
甘油转变的乙酰CoA
B.
葡萄糖氧化分解所产生的乙酰CoA
C.
脂肪酸β-氧化所形成的乙酰CoA
D.
丙氨酸转变而成的乙酰CoA
E.
甘氨酸转变而成的乙酰CoA
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举一反三
【单选题】在生活中看到的蜂巢是通常属于什么构成形式?
A.
近似
B.
重复
C.
特异
D.
渐变
【单选题】why didn't steven travel to visit his mother?
A.
he was busy
B.
he was free
C.
he bought a mobile phone to call her
D.
he was unemployed
【判断题】yield方法和sleep方法相同,都可以让当前正在运行的线程进入阻塞状态。
A.
正确
B.
错误
【单选题】She wanted to know  ________ [     ]
A.
why didn't I think it was a good idea
B.
why I didn't think it was a good idea
C.
why I thought it wasn't a good idea
D.
why did I think it wasn't a good idea
【判断题】yield()方法和sleep()方法相同,都可以让当前正在运行的线程暂停。
A.
正确
B.
错误
【多选题】根据我国《旅游法》第1条规定,下列关于其立法目的表述正确的选项是:为( ),制定旅游法。
A.
保障旅游者和旅游经营者的合法权益,规范旅游市场秩序
B.
保障旅游从业人员和相关主体的合法权益,规范竞争环境
C.
保护和合理利用旅游资源
D.
保护和合理开发旅游资源,保护生态环境
E.
促进旅游业持续健康发展
【单选题】下列哪项与蛋白质的变性 无关 ?
A.
氢键被破坏
B.
溶解度下降
C.
氨基酸组成改变
D.
生物学活性丧失
【单选题】( ) see the film this evening?
A.
Why don't we go to
B.
Why didn't we go to
C.
Why aren't we go to
【判断题】yield 方法和 sleep 方法相同,都可以让当前正在运行的线程进入阻塞状态。
A.
正确
B.
错误
【单选题】—Why didn't Alice come to the party last night? —I don't know ______. [     ]
A.
why didn't she
B.
why she didn't
C.
why did she
D.
why she did
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