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【简答题】
()是产品设计的首要问题。
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举一反三
【单选题】_____是指可燃的气体、蒸气或粉尘与空气混合后,遇火会产生爆炸的最高或最低的浓度。
A.
爆炸浓度极限
B.
爆炸强度极限
C.
爆炸温度极限
D.
自燃温度极限
【单选题】The curtains changed the atmosphere of the house completely and made it into a place of ________ beauty.
A.
expansive
B.
exquisite
C.
excessive
D.
exclusive
【单选题】I slept _ the best part.
A.
through
B.
for
C.
at
【单选题】The curtains changed the atmosphere of the house completely and made it into a place of _________ beauty.
A.
fragrant
B.
fragile
C.
exquisite
D.
requisite
【简答题】The curtains changed the atmostphere of the house completely and made it into a place of exquisite beauty.
【单选题】——是指可燃的气体、蒸气或粉尘与空气混合后,遇火会产生爆炸的最高或最低的浓度。
A.
爆炸浓度极限
B.
爆炸
C.
爆炸温度极限
D.
自燃
【单选题】The curtains changed the atmosphere of the house completely and made it into a place of ___________beauty.
A.
exquisite
B.
revive
C.
disperse
D.
elapse
【简答题】In 1971, readers around the world were astonished by some photographs which appeared in newspapers. Hidden deep in the rainforest s of an island in the Philippines, was an ethnic (种族的) 36 called the T...
【单选题】The curtains changed the atmosphere of the house completely and made it into a place of _______ beauty.
A.
extensive
B.
equivalent
C.
extractive
D.
exquisite
【简答题】The curtains changed the atmosphere of the house completely and made it into a place of _____ beauty.
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