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【单选题】
关于恒电位X射线机的叙述中，错误的是（）。A.
恒电位X射线机也简称为CP型X射线机
B.
恒电位X射线机可产生一个恒定能量的X射线束
C.
恒电位X射线机能提供更强的能量输出
D.
恒电位X射线机能延长射线管寿命和缩短曝光时间
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举一反三
【简答题】Nothing can (do) _____ unless we are given more information about the situation.
【多选题】Which of the following statements about theme, characters, dialogue in an excellent play are TRUE?
A.
There are so many options, but what matters most is for it to be a theme you greatly care about.
B.
The unique qualities of people shown through effective characterization are what really makes us care about characters and become passionately involved in a play.
C.
We learn about characters mostly through their actions and the play’s dialogue.
D.
It’s not necessary to create a character sketch for each of your characters to flesh out their personalities and the ways they are likely to act.
【简答题】Nothing can (do) ______unless the teacher gives us enough instructions.
【单选题】关于破伤风的治疗,错误的是
A.
一旦发作,伤口处理已无必要
B.
交替使用镇静、解痉药
C.
早期使用抗毒素
D.
清除呼吸道分泌物,必要时人工辅助呼吸
E.
使用大剂量青霉素
【单选题】United we can do everything.Divided we can do nothing.
A.
understatement
B.
paradox
C.
oxymoron
D.
antithesis
【单选题】I do your troubles, but there's nothing I can do to help.
A.
dominate
B.
sympathize with
C.
react to
D.
compensate for
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