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【单选题】
Which nurse has kept the best sterile technique?A.
A nurse touches the outside 2.5 cm of the package (the edge) while opening it but does not touch inside that space. She keeps the table and her hands above waist level at all times, and keeps her sterile gloves sterile.
B.
A nurse does not cross over his sterile field, keeps the table and all objects including his hands, above his waist at all times, and washes his hands before he begins and when he finishes the procedure.
C.
A nurse keeps everything above her waist level, even while throwing away her trash. She steps back away from the table while opening each new package, and keeps her sterile gloves sterile during the whole procedure.
D.
All of the above have kept good sterile technique.
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【单选题】对《西江月》二词理解分析不准确的一项是( )
A.
《西江月》二词和对贾宝玉出场前的侧面勾勒、出场后的肖像描写，是课文中对贾宝玉性格描写的三个重点。
B.
《西江月》似贬实褒，表面上是用世俗观念批判贾宝玉，而实际上却是贾宝玉叛逆性格的写照
C.
贾宝玉是封建贵族子弟的一个代表，这两首词采用幽默含蓄的手法，揭露封建大家庭后继无人的事实，暗示封建社会必然灭亡
D.
所谓“似傻如狂”，“草莽”，“不通世务”，“偏僻乖张”，实际上是贾宝玉卓然独立，与世俗传统相背离的表现。
【单选题】对《西江月》二词理解分析不准确的一项是 ( )
A.
《西江月》二词和对贾宝玉出场前的侧面勾勒、出场后的肖像描写 ,是课文中对贾宝玉性格描写的三个重点。
B.
《西江月》似贬实褒 ,表面上是用世俗观念批判贾宝玉,而实际上却是贾宝玉叛逆性格的写照。
C.
贾宝玉是封建贵族子弟的一个代表 ,这两首词采用幽默含蓄的手法,揭露封建大家庭后继无人的事实,暗示封建社必然灭亡。
D.
所谓 “似傻如狂”,“草莽”,“不通世务”,“偏僻乖张”,实际上是贾宝玉卓然独立,与世俗传统相背离的表现。
【单选题】如果薄壁工件在夹紧时,局部夹紧和均匀夹紧都可采用,那么下述正确的是 ( ) 。
A.
局部受力比均匀受力好
B.
均匀受力比局部受力好
C.
均匀受力和局部受力一样
D.
优先采用局部受力
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