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【单选题】
为句子中加横线的词选出一个恰当的义项。 虽有槁 暴 ,不 复挺者,使之然也( )
A.
欺凌,损害
B.
C.
又猛又急
D.
暴躁
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【简答题】Color is fundamental in home design – something you’ll always have in every room. A grasp of how to manage color in your spaces is one of the first steps to creating rooms you’ll love to live in. Do y...
【单选题】缺铁性贫血患者最关键的护理措施是
A.
增加营养
B.
病因治疗
C.
少量输血
D.
铁剂治疗
【多选题】以下说法正确的是:
A.
不论刚体作何种形式的运动,其惯性力都等于刚体质量乘以质心点的加速度,方向都与质心点实际加速度方向相反;
B.
平面运动刚体的惯性力偶等于刚体对速度瞬心轴的转动惯量乘以刚体角加速度,方向与刚体实际角加速度方向相反;
C.
平行移动刚体只有惯性力,没有惯性力偶;
D.
定轴转动刚体的惯性力与惯性力偶处理方式等同于平面运动刚体的相应处理方式;
E.
刚体作平面运动时,如果其速度瞬心与质心之间的距离始终不变,那么刚体所受力系对速度瞬心轴的力矩的代数和等于刚体对速度瞬心轴的转动惯量乘以刚体角加速度;
F.
定轴转动刚体的动平衡是其静平衡的必要条件,但不是充分条件;
G.
对于定轴转动刚体,只要转轴经过刚体质心点,则就是静平衡,但这时不一定是动平衡;
【简答题】( 2018 全国 1 ) Color is fundamental in home design – something you’ll always have in every room. A grasp of how to manage color in your spaces is one of the first steps to creating rooms you’ll love to...
【判断题】刚体作瞬时平移时,刚体的角速度和角加速度在该瞬时都等于零。
A.
正确
B.
错误
【判断题】刚体作瞬时平移时,刚体的角速度和角加速度在该瞬时一定都等于零。
A.
正确
B.
错误
【简答题】Color is fundamental in home design——something you’ll always have in every room. A grasp of how to manage color in your spaces is one of the first steps to creating rooms you’ll love to live in. Do yo...
【多选题】E Color is fundamental in home design – something you’ll always have in every room. A grasp of how to manage color in your spaces is one of the first steps to creating rooms you’ll love to live in. Do...
A.
While all of them are useful
B.
Whatever you’re looking for
C.
If you’re experimenting with a color
D.
Small color choices are the ones we’re most familiar with
E.
It’s not really a good idea to use too many small color pieces
F.
So it pays to be sure, because you want to get it right the first time
G.
Color choices in this range are a step up from the small ones in two major ways
【单选题】患者,女,36岁,6个月前不全流产后月经一直不规律,近半年来经常头晕、心悸、体力活动明显受限,诊断为缺铁性贫血。患者治疗的关键是
A.
迅速补充铁剂
B.
纠正月经紊乱
C.
增加营养
D.
休息
E.
使用雄性激素刺激骨髓增生
【单选题】患者女,36岁。6个月前不全流产后月经一直不规律,近半年来经常头晕、心悸、体力活动明显受限,诊断为缺铁性贫血。患者治疗的关键是
A.
迅速补充铁剂
B.
纠正月经紊乱
C.
增加营养
D.
休息
E.
使用雄激素刺激骨髓增生
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