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问题
填空题
炉口微压差正的太多,炉口()容易外冒,污染环境。
答案
参考答案:
火焰(烟尘)
单项选择题 A1/A2型题
肺痈溃脓期的治法是()
A.清肺解毒
B.清肺散邪
C.排脓解毒
D.清热排脓
E.化瘀消痈
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选择题
When first _____ to the market, the products didn't attract much attention.
A. introducing
B. introduced
C. was introduced
D. being introduced
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