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【单选题】
【2012年湖南省职业技能鉴定试卷-中级车工理论知识考核】高速钢刀具的刃口圆弧半径最小可磨到( )。A.
10 ~ 15 μm
B.
1 ~ 2 mm
C.
0.1 ~ 0.3 mm
D.
50 ~ 100 μm
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举一反三
【单选题】关于肺的体表投影描述,正确的是
A.
肺尖高于胸膜顶 1cm
B.
左肺的前缘在第 6 肋间隙转向外侧
C.
肺下缘在锁骨中线与第 6 肋相交
D.
肺下缘在腋中线与第 9 肋相交
E.
肺下缘在后方终于第 12 胸椎棘突
【单选题】Under normal circumstances the body can ( ) these naturally occurring substances into vitamins.
A.
convert
B.
render
C.
derive
D.
originate
【单选题】They sparkle and glitter in the light. No other rocks are so hard. They are very valuable. It might cost thousands and thousands of dollars to buy just one. Most are found in the ground. The largest o...
A.
they sparkle and glitter in the light
B.
they are very hard
C.
they are very valuable
D.
they are tiny
【简答题】You can keep yourself from the rain under it.
【单选题】The doctors are ________ about the guidelines under which they can carry out euthanasia.
A.
at a stretch
B.
at a loss
C.
at random
D.
at length
【单选题】They sparkle and glitter in the light. No other rocks are so hard. They are very valuable. It might cost thousands and thousands of dollars to buy just one. Most are found in the ground. The largest o...
A.
they sparkle and glitter in the light
B.
they are very hard
C.
they are very valuable
D.
they are tiny
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