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【多选题】
2010年2月26日,掘进三队302组由带班,从1161(3)上顺槽三部皮带机头改走挑棚。12时40分左右,、等4人已改完棚腿5根,第6根棚腿柱窝挖出后,采用铁锤沿轨道上平面水平砸击的方式松动木棚腿过程中,铁锤与轨道多次发生强烈撞击、刮碰,造成锤头表面边缘处被切掉一小块碎片,并刺伤左眼。造成该事故的原因有()
A.
伤者盲目操作,在砸击木棚腿过程中,铁锤与轨道间未保持一定的安全距离,造成铁锤与轨道多次发生撞击、刮碰
B.
违反规程措施规定:棚腿柱窝没有挖到位,强行拆除棚腿。
C.
改棚作业时,棚腿柱窝必须挖到位,严禁图懒省事,靠外力强行拆除棚腿。
D.
木棚腿柱窝未挖到位,松动圈范围小,砸击棚腿时阻力过大,造成砸击时锤头与轨道强烈碰撞后受损,弹出碎片。
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举一反三
【单选题】抗原抗体反应需要合适的温度才有利于二者结合,其范围一般为
A.
4~10℃
B.
11~15℃
C.
16~20℃
D.
15~40℃
E.
41~50℃
【单选题】Which of the following is true of Nicholas Humphrey?
A.
He thinks Ayumu has an amazing memory.
B.
He believes that Ayumu sees the colors of numbers.
C.
He was inspired by Primatologist Tetsuro Matsuzawa.
D.
He delivered a speech on synesthesia at the 2011 conference.
【简答题】Which of the following is NOT mentioned as an important factor in improving memory? [A] Physical exercise. [B] Food supply. [C] Water supply. [D] Enough sleep.
【简答题】抗体一般是
【单选题】上题各图中的旅游资源属于中国世界文化遗产的是:
A.
B.
C.
D.
【单选题】What does the passage mainly tell us?
A.
Learning a foreign language depends on a good memory.
B.
None of us can live without memory.
C.
Our memories are truly amazing.
D.
How well we remember things is affected by various factors.
【简答题】memor_ble
【单选题】我国半潜式钻井平台第一次在国外亮相的国家是()。
A.
缅甸
B.
墨西哥
C.
美国
D.
伊朗
【简答题】“When Lilacs Last in the Dooryard Bloomed” was a poem written by Walt Whitman in memory of __________.
【判断题】真实单层等同于BET单层。
A.
正确
B.
错误
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