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【判断题】
气调库又称气调贮藏,是当今最先进的保鲜贮藏方法。它是在冷藏的基础上,增加气体成分调节,通过对贮藏环境中温度、湿度、二氧化碳、氧气浓度和乙烯浓度等条件的控制,抑制呼吸作用,延缓其新陈代谢过程,更好地保持新鲜度和物品性,延长贮藏期和保鲜期。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Passage1 Questions 17 to 21 are based on the following passage.
【单选题】以下哪项对于顺应性的描述是错误的
A.
顺应性为弹性回缩力的倒数
B.
包括肺和胸廓两个因素
C.
分动态和静态顺应性
D.
大部分呼吸机显示的顺应性较实际值偏大
E.
可通过吸气末阻断法和呼气末阻断法测量
【单选题】PASSAGE 1 - Q17
A.
He was born in Moscow in 1973.
B.
His family moved to the US after he was born.
C.
His mother developed his interest in computers..
D.
He didn’t like school when he was young.
【单选题】PASSAGE 1
A.
Nearly 12 percent.
B.
Nearly 17 percent.
C.
Nearly 70 percent.
D.
Nearly 7 percent.
【单选题】(Passage 1) 17.
A.
They are more health-conscious.
B.
They are changing their living habits.
C.
They get less and less sleep.
D.
They know the dangers of lack of sleep.
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