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【单选题】
某质点作直线运动的运动学方程为【图片】,则该质点作:
A.
变加速直线运动,加速度沿x轴正方向
B.
匀加速直线运动,加速度沿x轴正方向
C.
匀加速直线运动,加速度沿x轴负方向
D.
变加速直线运动,加速度沿x轴负方向
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参考答案:
举一反三
【简答题】阅读理解。 An 80-year-old man was sitting on the sofa in his house along with his 45-year-old son. Suddenly a crow (乌鸦) landed on their window. The father asked his son, 'What is that?' The son replied, 'T...
【判断题】会计人员岗位职业继续教育是指利用开展继续教育的形式对已取得会计从业资格证书或取得注册会计师资格的人员进行职业道德教育,贯穿于整个会计人员继续教育的始终。 ( )
A.
正确
B.
错误
【单选题】在直线与圆曲线之间插入( ),必须将原来的圆曲线向内移动,这样才能保证缓和曲线和曲线起点切于直线上
A.
主曲线
B.
回头曲线
C.
缓和曲线
D.
圆曲线
【简答题】An 80-year-old man was sitting on the sofa in his house along with his 45-year-old highly educated son. Suddenly a crow(乌鸦)perched on the tree near their window. The father asked his son, “What is thi...
【简答题】An 80-year-old man was sitting on the sofa in his house along with his 45-year-old highly educated son. Suddenly a crow perched on their window. The father asked his son, “What is this?” The son repli...
【简答题】阅读理解。 An 80-year-old man was sitting on the sofa in his house along with his 45-year-old son. Suddenly a crow (乌鸦) landed on their window. The father asked his son, 'What is that?' The son replied, 'T...
【单选题】在直线与圆曲线之间插入缓和曲线,必须将原来的圆曲线向内移动,这样才能保证缓和曲线起点切于直线上,而缓和曲线终点又与圆曲线上某一点( )
A.
相切
B.
相交
C.
互补
D.
平行
【简答题】An 80-year-old man was sitting on the sofa in his house along with his 45-year-old son. Suddenly a crow(乌鸦) landed on their window. The father asked his son, “What is that?” The son replied, “That is ...
【简答题】Request对象的主要功能是( ),其通过( )集合获取客户端表单中提交的信息,通过( )集合获取URL请求字符串,通过( )集合获取客户端浏览器的Cookies 值,通过( )集合获取服务器端环境变量的值,通过( )集合从客户端取得身份验证的信息。
【单选题】下列 不属于混合销售 行为的是( )
A.
摄影工作室提供摄影服务同时制作相册销售的业务
B.
餐饮企业销售饮食服务的同时销售酒水饮料
C.
家电商场销售家电并提供送货上门服务
D.
销售自产活动板房并提供安装服务
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