2. 外语
  3. ______, it is widely used in making flares and fireworks.

______, it is widely used in making flares and fireworks.

admin2010-02-19  38
问题 ______, it is widely used in making flares and fireworks.
选项 A、as the brilliant white light that burning magnesium produces
B、Because of the brilliant white light of burning magnesium
C、The brilliant white light of burning magnesium
D、Burning magnesium produces a brilliant white light
答案B
解析 由题意知应选B
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