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【单选题】
某耐火材料的耐火度为1700℃，按耐火度分此耐火材料属于（ ）。A.
高级耐火材料
B.
普通耐火材料
C.
中级耐火材料
D.
特级耐火材料
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【简答题】When Mr.Westhusin says “...cloning is erous,” he implies that . ［A］ lab technicians may be affected by chemicals ［B］ cats and dogs in the lab may die of diseases ［C］ experiments may waste lots of ...
【单选题】This style. of writing, incidentally, is suggestive of what is called the 'newsreel technique' of John Dos Passos.
A.
reminiscent
B.
collective
C.
forgettable
D.
advisable
【单选题】This style. of writing, incidentally, is suggestive of what is called the 'newsreel technique' of John dos Passos.
A.
reminiscent
B.
collective
C.
forgettable
D.
advisable
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