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【多选题】
(多选)弹簧振子在AOB之间做简谐运动,O为平衡位置,测得A、B之间的距离为8 cm,完成30次全振动所用时间为60 s,则( )
A.
振子的振动周期是2 s，振幅是8 cm
B.
振子的振动频率是2 Hz
C.
振子完成一次全振动通过的路程是16 cm
D.
从振子通过O点时开始计时，3 s内通过的路程为24 cm
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feel desperate
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be comforting the author
C.
being indifferent to power failure
D.
cherish memory of the night before
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【单选题】The last paragraph tells the reader that the author's father ______.
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fought fearlessly against racial discrimination in his early years
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had no say in the management of family affairs
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was a racist in his early years
D.
hated very much new institutions of the federal government
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【单选题】Where was the author's father during the war?
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He went traveling.
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He was working in another town.
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He was ont on business.
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【多选题】从中学到大学,面临的重要变化有
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学习要求的变化
B.
生活环境的变化
C.
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【单选题】Which of the following statements is FALSE?
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The author's father died when he was telling a fairy story.
B.
The author's father seldom got up late when he grew old.
C.
The author's father visited some of his friends in his final days.
D.
The author's father was selfish with his money.
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【单选题】Where was the author's father during the war?
A.
He was out on business.
B.
He was working in another town.
C.
He went traveling.
D.
He was fighting in the front.
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计算呼吸商时，氧和二氧化碳量的单位用 mol 或 L 均可
C.
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D.
蛋白质的呼吸商为 0 . 80
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糖的呼吸商为 1 . 00
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【单选题】Which of the following statements is true?
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The author's father built a bonfire on VE Day.
B.
The author's father had fought in the First World War.
C.
The author's father had fought in the Second World War.
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【多选题】下列关于呼吸商的描述正确的是:
A.
机体摄人氧的量与呼出的二氧化碳的比值
B.
计算呼吸商时，氧和二氧化碳量的单位用 mol 或 L 均可
C.
脂肪的呼吸商为 0 ． 71
D.
蛋白质的呼吸商为 0 ． 80
E.
糖的呼吸商为 1 ． 00
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【单选题】Which of the following statements is true?
A.
The author's father built a bonfire on VE Day.
B.
The author's father had fought in the First World war
C.
The author's father had fought in the Second World War.
D.
The author's father threw two chairs on the fire to keep it going.
查看完整题目与答案
相关题目：
【单选题】At the end of the passage, the author's father seemed to ______.
A.
feel desperate
B.
be comforting the author
C.
being indifferent to power failure
D.
cherish memory of the night before
查看完整题目与答案
【单选题】The last paragraph tells the reader that the author's father ______.
A.
fought fearlessly against racial discrimination in his early years
B.
had no say in the management of family affairs
C.
was a racist in his early years
D.
hated very much new institutions of the federal government
查看完整题目与答案
【单选题】Where was the author's father during the war?
A.
He went traveling.
B.
He was working in another town.
C.
He was ont on business.
D.
He was fighting in the front.
查看完整题目与答案
【多选题】从中学到大学,面临的重要变化有
A.
学习要求的变化
B.
生活环境的变化
C.
社会交往的变化
D.
管理制度的变化
查看完整题目与答案
【单选题】Which of the following statements is FALSE?
A.
The author's father died when he was telling a fairy story.
B.
The author's father seldom got up late when he grew old.
C.
The author's father visited some of his friends in his final days.
D.
The author's father was selfish with his money.
查看完整题目与答案
【单选题】Where was the author's father during the war?
A.
He was out on business.
B.
He was working in another town.
C.
He went traveling.
D.
He was fighting in the front.
查看完整题目与答案
【多选题】下列关于呼吸商的描述正确的是:
A.
机体摄入氧的量与呼出的二氧化碳的比值
B.
计算呼吸商时，氧和二氧化碳量的单位用 mol 或 L 均可
C.
脂肪的呼吸商为 0. 71
D.
蛋白质的呼吸商为 0 . 80
E.
糖的呼吸商为 1 . 00
查看完整题目与答案
【单选题】Which of the following statements is true?
A.
The author's father built a bonfire on VE Day.
B.
The author's father had fought in the First World War.
C.
The author's father had fought in the Second World War.
D.
The author's father threw two chairs on the fire to keep it going.
查看完整题目与答案
【多选题】下列关于呼吸商的描述正确的是:
A.
机体摄人氧的量与呼出的二氧化碳的比值
B.
计算呼吸商时，氧和二氧化碳量的单位用 mol 或 L 均可
C.
脂肪的呼吸商为 0 ． 71
D.
蛋白质的呼吸商为 0 ． 80
E.
糖的呼吸商为 1 ． 00
查看完整题目与答案
【单选题】Which of the following statements is true?
A.
The author's father built a bonfire on VE Day.
B.
The author's father had fought in the First World war
C.
The author's father had fought in the Second World War.
D.
The author's father threw two chairs on the fire to keep it going.
查看完整题目与答案