题目内容

choose the best answer from the four choices provided for each question.

A. They always think about how to get the work done.
B. They always worry if they can complete their work.
C. They depend on friends’ help and encouragement.
D. They depend on each other to overcome their limitations.

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choose the best answer from the four choices provided for each question.

A. They have been offered jobs by many companies.
B. They lost their eyesight due to an accident in 2000.
C. They got injured when they were just three years old.
D. They love the job since it gives them a purpose in life.

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在同一竖直面内,目标方向线与水平线的夹角,称为____。

A. 水平角
B. 天顶距
C. 高差角
D. 竖直角

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水平角的大小与地面点____无关。

A. 高程
B. 高差
C. 距离
D. 角度

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由一点到两个目标的方向线垂直投影在水平面上所成的角,称为____。

A. 竖直角
B. 天顶角
C. 水平角
D. 天顶距

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choose the best answer from the four choices provided for each question.

A. They always think about how to get the work done. B. They always worry if they can complete their work. C. They depend on friends’ help and encouragement. D. They depend on each other to overcome their limitations.

choose the best answer from the four choices provided for each question.

在同一竖直面内,目标方向线与水平线的夹角,称为____。

水平角的大小与地面点____无关。

由一点到两个目标的方向线垂直投影在水平面上所成的角,称为____。

A. They always think about how to get the work done.
B. They always worry if they can complete their work.
C. They depend on friends’ help and encouragement.
D. They depend on each other to overcome their limitations.