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【简答题】
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参考答案:
举一反三
【单选题】He doesn‘t know which one is the best in all of these options.
A.
questions
B.
problems
C.
interests
D.
choices
【单选题】从业者( )的高低影响就业质量
A.
职业追求
B.
职业素养
C.
学习成绩
D.
家庭经济条件
【多选题】2008年6月6日,8炼油厂油罐区的2号汽油罐发生火灾爆炸事故,造成1人死亡、3人轻伤,直接经济损失420万元。该油罐为拱顶罐,容量200m 3 。油罐进油管从罐顶接入罐内,但未伸到罐底。罐内原有液位计,因失灵已拆除。2008年5月20日,油罐完成了清罐检修。6月6日8时,开始给油罐输油,汽油从罐顶输油时进油管内流速为2.3~2.5m/s,导致汽油在罐内发生了剧烈喷溅,随即着火爆炸。爆炸把整个罐顶...
A.
直流水
B.
泡沫
C.
开花水
D.
二氧化碳
E.
干粉
【简答题】看图填空: A、( 结构) B、( 结构) C、( 结构)
【简答题】制动能量回收系统控制流程?
【简答题】尺骨上端有两个突起,向上的较大的称____,下方的称____。
【多选题】Select all options that are good study and learning methods that can be used to remember something well.
A.
Make sure you have lots of people around you when you are studying so you don’t work too hard and can develop your networking skills.
B.
Repeat key concepts several times over several days, gradually increasing the time between each subsequent repetition as you master the material.
C.
Study material before you go to sleep at night to let your subconscious mind work on and process the material as you sleep.
D.
As the one video with Dr. Oakley upside down revealed, studying upside down is an effective method for remembering.
【单选题】火灾中致人死亡的原因不包括( )?
A.
有毒气体
B.
缺氧
C.
吸入热气
D.
惊吓
【简答题】尺骨上端有两个突起,上端较大的称(_______),其前下的突起称(________)。
【单选题】用1:2分光器的光信号衰减约3db,则1:32分光器的衰减大约为()
A.
12db
B.
9db
C.
15db
D.
6db
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