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【单选题】
What does the author imply about desert-adapted mammals?
A.
They don't need to eat much food.
B.
They never lose their appetite.
C.
They can travel long distances looking for food.
D.
They can eat large quantities quickly.
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参考答案:
举一反三
【单选题】安全生产必须把好“六关”,这“六关”包括( )。
A.
措施关、交底关、教育关、防护关、检查关、改进关
B.
计划关、交底关、教育关、监控关、检查关、改进关
C.
计划关、培训关、教育关、防护关、检查关、改进关
D.
措施关、培训关、教育关、监控关、检查关、改进关
【单选题】促使血管紧张素I转化为血管紧张素II的物质是
A.
血管紧张素转换酶
B.
醛固酮
C.
内皮素
D.
胰岛素
E.
肾素
【单选题】促使血管紧张素I转换为II的物质是A. B.内皮素C. D.E.
A.
肾素
B.
血管紧张素转换酶
C.
胰岛素
D.
醛固酮
【单选题】()构图可以将水平线以下的景物表现的更丰富,同时有一定的视觉引导作用。
A.
曲线
B.
高水平线
C.
低水平线
D.
中水平线
【单选题】安全生产必须把好'七关',这'七关'包括教育关、措施关、交底关、防护关、验收关、检查关和( )。
A.
监控关
B.
文明关
C.
改进关
D.
计划关
【单选题】根据反馈信号的频率,反馈可分为_______反馈。
A.
直流和交流
B.
电压和电流
C.
串联和并联
D.
正和负
【单选题】小儿指纹分三关,从虎口到食指端依次为
A.
命关、气关、风关
B.
气关、命关、风关
C.
气关、风关、命关
D.
风关、气关、命关
E.
风关、命关、气关
【单选题】Students of United States history, seeking to identify the circumstances that encouraged the emergence of feminist movements, have thoroughly investigated the mid-nineteenth-century American economic ...
A.
they have analyzed less fully the development of specifically feminist ideas and activities
B.
the ideological origins of feminism in the United States have been obscured
C.
they failed to recognize that feminism was then a truly international movement actually centered in Europe.
D.
they have thoroughly investigated the mid-nineteenth-century American economic and social conditions
【单选题】首关消除明显的抗心律失常药是
A.
苯妥英钠
B.
普罗帕酮
C.
氟卡尼
D.
普萘洛尔
E.
利多卡因
【简答题】A.Because they identify the city where the penny was minted. B.Because they are the initials of a famous coin collector. C.Because they stand for the government agency that mints coins. D.Because they...
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