皮皮学，免费搜题
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【单选题】
选择物体表面消毒时，应考虑物体的表面性质，多孔表面可采用( )。A.
紫外线近距离照射
B.
液体消毒剂擦拭
C.
喷雾消毒法
D.
低温灭菌
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】It is said that in England death is pressing, in Canada inevitable and in California optional Small wonder. Americans' life expectancy has nearly doubled over the past century. Failing hips can be rep...
A.
Americans are better prepared for death than other people.
B.
Americans enjoy a higher life quality than ever before.
C.
Americans are over-confident of their medical technology.
D.
Americans take a vain pride in their long life expectancy.
【单选题】It is said that in England death is pressing, in Canada inevitable and in California optional. Small wonder. Americans' life expectancy has nearly doubled over the past century. Failing hips can be re...
A.
Americans are better prepared for death than other people.
B.
Americans enjoy a higher life quality than ever before.
C.
Americans are over-confident of their medical technology.
D.
Americans take a vain pride in their long life expectancy.
【简答题】为了探究二力平衡的条件,张三同学设计了如图甲的实验。 ( 1 )实验中发现两边的钩码质量不相等时,木块运动,质量相等时,木块静止,说明二力平衡的一个条件是力的 。 ( 2 )接着张三将木块扭转一个角度,松手后观察到小木块不能平衡,说明二力平衡时,两个力必须作用在 ___ 。 ( 3 )在另一小组实验中,李四用小车代替木块,如图乙所示,同学们认为李四的实验装置优于张三的实验装置,其主要原因是 。
【单选题】（ ）凡遵守宪法和法律，热爱教育事业，具有良好的思想品德，具有教 师法规定的学历或者经国家教师资格考试合格，有教育教学能力，经认定合 格的，可以取得教师资格。
A.
中国公民
B.
世界公民
C.
华侨
D.
华人
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