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【简答题】
听短文内容,选出正确答案。 1. What is the story about? [     ] A. It's about an English boy. B. It's about an American boy. C. It's about a Chinese boy. 2. When did it happen? [     ] A. It happened in the year 1909. B. It happened in the year 1900. C. It happened in the year 1919. 3. Who died when Tom was a young child? [     ] A. His brother died. B. His father died. C. His mother died. 4. How was Tom's mother then? [     ] A. She was often ill. B. She was hungry. C. She was strong. 5. When did Tom become very famous? [     ] A. Thirteen years later. B. Thirty years later. C. At the age of thirty.
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参考答案:
举一反三
【单选题】为使荧光强度和荧光物质溶液的浓度成正比,必须使
A.
激发光足够强
B.
吸光系数足够大
C.
试液的浓度足够稀
D.
仪器的灵敏度足够高
【简答题】简述精细加工策略。
【多选题】能够进行糖异生的器官是
A.
B.
C.
D.
E.
肌肉
【简答题】一个时序电路,在时钟脉冲作用下,状态变化000-010-011-001-101-110-010-011-001-101-110- 010-011 ..,该电路为 进制计数器。
【简答题】简述精细加工策略的概念及常用的精细加工策略。
【简答题】一个时序电路,在时钟脉冲作用下,状态变化000-001-010-011-100-101-000-001-010-011-100- 101-000-001..,该电路为 进制计数器 。
【简答题】精细加工策略
【单选题】为使荧光强度和荧光物质溶液的浓度成正比,必须使
A.
激发光足够强
B.
吸光系数足够大
C.
试液浓度足够稀
D.
仪器灵敏度足够高
【单选题】为使荧光强度和荧光物质溶液的浓度成正比,必须使
A.
吸光系数足够大
B.
试液浓度足够稀
C.
激发光足够强
D.
仪器灵敏度足够高
【判断题】肝是体内唯一能够进行糖异生的器官。
A.
正确
B.
错误
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