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【判断题】
火焰原子化器最常用的火焰是空气-乙炔火焰，可用于金、银、铜、铁、铝等金属的测定。( )A.
正确
B.
错误
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【简答题】Excel Exercise 6.xlsx Excel Exercise 6.docx
【简答题】电控燃油喷射系统按有无反馈信号可分为开环控制系统系统和(__)系统。
【单选题】I went to a festival last week. There were lots of outdoor ____35____ serving ____ dishes from around the world. I bought some Indian curry, but it was too ____ for me. I was still hungry, so I ate so...
A.
cafeterias
B.
food stalls
C.
main courses
【简答题】氢氧化钠标准溶液配制用 基准物质标定。 盐酸标准溶液配制用 基准物质标定。
【简答题】电控燃油喷射系统按有无反馈信号可分为__ _和_ 。
【单选题】I usually do morning _____________ at 6: 30. [ ]
A.
exercises
B.
exercise
C.
an exercise
【单选题】I went to a festival last week. There were lots of outdoor ________ serving ____ dishes from around the world. I bought some Indian curry, but it was too ___37___ for me. I was still hungry, so I ate ...
A.
spicy
B.
creamy
C.
sweet
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