【单选题】社会调查评估人员的回避,由( )作出决定。
【单选题】The old man was very strange because ______.
A.
he liked to live alone
B.
people didn't like him and were afraid of him
C.
he liked to walk in the woods without roads
D.
he didn't do anything as the others did
【判断题】硬盘低级格式化过程一般在硬盘出厂前完成,目的是建立柱面、磁道和扇区,并划分扇区的各功能区域。A. 对 B. 错
【单选题】在水平面上有a、b两点,相距20cm,一质点在一恒定外力作用下沿a向b做匀加速直线,经过0.2s的时间先后通过a、b两点,则该质点通过a、b中点时的速度大小为( )
A.
若力的方向由a向b,则大于1m/s,若力的方向由b向a,则小于1m/s
B.
若力的方向由a向b,则小于1m/s,若力的方向由b向a,则大于1m/s
【简答题】Once upon a time, there was a garden in the village. Its owner was an old man. He had been away for several years to visit his friends. It was a large lovely garden with soft green grass and beautiful...
【单选题】在水平面上有a、b两点,相距20cm,一质点在一恒定的合外力作用下沿a向b做直线运动,经过0.2s的时间先后通过a、b两点,则该质点通过a、b中点时的速度大小为()
C.
若力的方向由a向b,则大于1m/s,若力的方向由b向a,则小于1m/s
D.
若力的方向由a向b,则小于1m/s,若力的方向由b向a,则大于1m/s
【单选题】Why couldn't the woman find the repair shop?
A.
She missed the right turn.
B.
The man gave her the wrong directions.
【简答题】“亲子之谜”,如血型的情况图片所示。排除家庭伦理剧和外星来客等版本,请根据ABO血型系统章节中所学知识,分析得出合理的结论,并设计试验证明(本题可直接上传图片或者附件)。