《烟花爆竹 安全与质量》( GB10631— 2004)规定,烟火药中禁止使用氯酸钾,部分企业和无证个体户仍非法使用氯酸钾配制烟火药,氯酸钾不能完全禁止的原因包括()。
A、产品较安全CD
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重写句子:Hockeyisasportwhichispopularinmanycountriesaroundtheworld.(simplesentence)
Hecomplainedtothebooksellerthattherewereseveralpages______inthebook.
Ifyouaretoo________ofyourchildren,theywillneverlearntodealwithdifficultiesinlife.
句子写作:Thehouse____isstillstanding.
Wepromisethatwe’llmeetagainafterwe_______ourcollegeeducationinthreeyears’time.