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【简答题】
燃烧速度指数（燃烧势）反映了燃气燃烧火焰所产生离焰、、回火和不完全燃烧的倾向性，是一项反映燃具燃烧（）的综合指标，能更全面地判断燃气的燃烧特性。
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皮皮学刷刷变学霸
举一反三
【简答题】初,权谓 ____ 曰:“卿今 ____ 掌事,不可不学!” 蒙 _____ 军中多务。 权曰: “孤 ______ 卿治经为 ____ 邪 ! 但当 _____ ,见 ___ 耳。 卿言 ___ , ___ 若孤? 孤常 ___ ,自以为 ____ 。”
【单选题】Where does the story “Noah’s Ark” come from?
A.
Greek mythology
B.
The Old Testament
C.
The New Testament
D.
Aesop Fables
【单选题】According to the Bible story , how many floors is the Noah's Ark?
A.
One
B.
Two
C.
Three
D.
Four
【简答题】卿今当涂掌事,不可不学!
【单选题】According to the Bible story, what did Noah do when they got out of the Ark
A.
Noah built an altar to thank God for keeping them alive.
B.
Noah started to built a house for them to stary.
C.
Noah went out to find something to eat.
【单选题】According to the Bible story, what did Noah do when they got out of the Ark?
A.
Noah built an altar to thank God for keeping them alive.
B.
Noah started to built a house for them to stary.
C.
Noah went out to find something to eat.
D.
Noah went out to find something to drink.
【单选题】Noah’s Ark is a story about ____.
A.
rebellion
B.
punishment
C.
covenant
D.
all of the above
【单选题】According to the Bible story , how many floors is the Noah's Ark?
A.
One
B.
Two
C.
Three
【单选题】对一批含碳量为0.20%的钢板进行弯折成形,但未弯到规定角度钢板就出现了裂纹。为避免再次出现这样的问题,可以采取的有效措施是:
A.
对钢板进行回火处理，提高其塑性
B.
对钢板进行退火处理，提高其塑性
C.
对钢板进行淬火处理，提高其硬度和强度
D.
对钢板进行正火处理，提高其抗拉强度、硬度和韧性
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