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【单选题】
容易产生突变的修复方式是
A.
    SOS修复
B.
    重组修复
C.
    切除修复
D.
    错配修复
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【简答题】A small town in southwest Britain is banning(禁止) plastic bags in an attempt to help the environment and cut waste—a step that environmentalists believe is a first for Europe. Shopkeepers in Modbury po...
【简答题】阅读理解 A small town in southwest Britain is banning (禁止) plastic bags in an attempt to help the environment and cut waste-a step that environmentalists believe is a first for Europe. Shopkeepers in Modb...
【简答题】They argue that plastic bottles make up a small portion of the nation ’s total waste.
【单选题】The small tax on plastic grocery bags in Ireland is mentioned to show that
A.
Ireland is determined to eliminate plastic pollution.
B.
incentive policies by the government are more effective.
C.
incentives can harness egoism and inspire altruism.
D.
monetary punishments usually have moral implications.
【判断题】刚体定轴转动时,刚体上各个质元对轴的角动量的方向都不相同。
A.
正确
B.
错误
【单选题】新生儿排出胎粪的时间约在生后的:
A.
12h内
B.
24h内
C.
48h内
D.
72h内
【简答题】阅读理解。 A small town in southwest Britain is banning (禁止) plastic bags in an attempt to help the environment and cut waste-a step that environmentalists believe is a first for Europe. Shopkeepers in Mod...
【判断题】刚体定轴转动时 , 刚体上各个质元对轴的角动量的方向都不相同
A.
正确
B.
错误
【单选题】刚体绕固定轴转动时,下列哪个说法是 正确的:
A.
刚体上 各 质元 (不在转轴)的角速度和角加速度的大小都是相同的
B.
刚体上 各 质元 (不在转轴)的法向加速度和切向加速度的大小都是相同的
C.
刚体上 各 质元 (不在转轴)的速度和加速度的大小都是相同的
D.
刚体上 各 质元 (不在转轴)的线位移和角位移都是相同的
【简答题】A small town in southwest Britain is banning (禁止) plastic bags in an attempt to help the environment and cut waste-a step that environmentalists believe is a first for Europe. Shopkeepers in Modbury p...
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