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【多选题】
氧气筒使用过程中，正确的方法是A.
氧气筒开关处不可涂油
B.
氧气筒不可用力震动
C.
氧气用尽后及时更换
D.
氧气筒放置在阴凉处
E.
氧气筒距暖气lm以上
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举一反三
【单选题】下颌下间隙脓肿应作______
A.
下颌骨下缘下2cm作平行切口
B.
下颌角下2cm绕下颌角弧形切口
C.
口内翼下颌皱襞内侧纵形切口
D.
口内翼下颌皱襞处横形切口
E.
下颌骨下缘下1～1.5cm作平行切口
【单选题】The road is over ______ metres long. [ ]
A.
six hundred and fifty-two
B.
six hundreds and fifty-two
C.
six hundred, fifty-two
D.
six hundred, fifty and two
【简答题】in tow; muddle through; set foot in; stay put; take charge; I threw a birthday party last Friday night, and Steve, as usual, had his girlfriend with him .
【简答题】I wasn't really interested in math, but I managed to do it somehow. (in tow, muddle through, set foot in, stay put, take charge)
【简答题】He works in _____ office over there, he works from about nine in ____ morning to six in ____ evening.
【单选题】he became a famous pilot. [ ]
A.
Six years ago
B.
Later six years
C.
In six years
D.
Before six years
【简答题】颌下间隙脓肿应作
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