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【判断题】
我国是世界上最早开征增值税的国家。
A.
正确
B.
错误
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参考解析：
知识点：
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举一反三
【单选题】Dogs are often praised for their _______; they almost never abandon their s.
A.
truthfulness
B.
loyalty
C.
trust
D.
faith
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【单选题】Cats and dogs often have dreamless sleep.
A.
Right
B.
Wrong
C.
Not mentioned
查看完整题目与答案
【单选题】The scientist's work was based on _______.
A.
occasional observations
B.
systematic observations
C.
observations of several nests
D.
observations of undisturbed nests
查看完整题目与答案
【简答题】Dogs are often praised for their ________; they almost never abandon their s. A) faith B) loyalty C) trust D) truthfulness
查看完整题目与答案
【单选题】Dogs are often praised for their ______ they almost never abandon their s.
A.
faith
B.
loyalty
C.
trust
D.
truthfulness
查看完整题目与答案
【单选题】We notice this ____ true very often with dogs and cats.
A.
to be
B.
be
C.
being
D.
to being
查看完整题目与答案
【单选题】Dogs are often praised for their ______ ; they almost never abandon their s.
A.
faith
B.
loyalty
C.
trust
D.
sincerity
查看完整题目与答案
【单选题】当温度降低时,植物体内有机物的运输速率会( )。
A.
变快
B.
变慢
C.
不变
D.
先变快然后变慢
查看完整题目与答案
【简答题】如图所示为滚子式对心直动从动件盘形凸轮机构。已知:圆盘半径 mm,偏心距 mm,滚子半径 mm。要求: (1)标出图示位置机构的压力角 ; (2)试计算或在图上作图标出从动件的升程h; (3)在图上标出推程角 和回程角 ; (4)确定凸轮的基圆半径r b ; (5)在图上画出凸轮的理论轮廓曲线。
查看完整题目与答案
【单选题】下列说法错误的是( )。
A.
当楼房突然发生火灾时，首先要强令自己保持镇静，切不可惊惶失措，以免做出错误的决断
B.
逃生的路线要注意，朝有照明或明亮处迅速撤离
C.
着火时，若在楼梯上，往下往上跑都可以
D.
着火时，若被火档住，通过窗口或阳台等往外逃生
查看完整题目与答案
相关题目：
【单选题】Dogs are often praised for their _______; they almost never abandon their s.
A.
truthfulness
B.
loyalty
C.
trust
D.
faith
查看完整题目与答案
【单选题】Cats and dogs often have dreamless sleep.
A.
Right
B.
Wrong
C.
Not mentioned
查看完整题目与答案
【单选题】The scientist's work was based on _______.
A.
occasional observations
B.
systematic observations
C.
observations of several nests
D.
observations of undisturbed nests
查看完整题目与答案
【简答题】Dogs are often praised for their ________; they almost never abandon their s. A) faith B) loyalty C) trust D) truthfulness
查看完整题目与答案
【单选题】Dogs are often praised for their ______ they almost never abandon their s.
A.
faith
B.
loyalty
C.
trust
D.
truthfulness
查看完整题目与答案
【单选题】We notice this ____ true very often with dogs and cats.
A.
to be
B.
be
C.
being
D.
to being
查看完整题目与答案
【单选题】Dogs are often praised for their ______ ; they almost never abandon their s.
A.
faith
B.
loyalty
C.
trust
D.
sincerity
查看完整题目与答案
【单选题】当温度降低时,植物体内有机物的运输速率会( )。
A.
变快
B.
变慢
C.
不变
D.
先变快然后变慢
查看完整题目与答案
【简答题】如图所示为滚子式对心直动从动件盘形凸轮机构。已知:圆盘半径 mm,偏心距 mm,滚子半径 mm。要求: (1)标出图示位置机构的压力角 ; (2)试计算或在图上作图标出从动件的升程h; (3)在图上标出推程角 和回程角 ; (4)确定凸轮的基圆半径r b ; (5)在图上画出凸轮的理论轮廓曲线。
查看完整题目与答案
【单选题】下列说法错误的是( )。
A.
当楼房突然发生火灾时，首先要强令自己保持镇静，切不可惊惶失措，以免做出错误的决断
B.
逃生的路线要注意，朝有照明或明亮处迅速撤离
C.
着火时，若在楼梯上，往下往上跑都可以
D.
着火时，若被火档住，通过窗口或阳台等往外逃生
查看完整题目与答案