【单选题】在实验过程中,不慎将稀盐酸溶液溅入眼内,正确的处理方法是( )。
B.
先用大量水冲洗,再用3%-5%碳酸氢钠溶液冲洗
C.
先用大量水冲洗,再用3%-5%碳酸氢钠溶液冲洗,然后立即送往医院
【简答题】Correct the errors in the following sentences. 1) Many years ago, Jim had lived in Paris with his uncle for a long time. 2) The teacher told the students that light traveled much faster than sound. 3)...
【单选题】在实验过程中,不慎将稀盐酸溶液溅入眼内,正确的处理方法是:
A.
先用大量水冲洗,再用3%-5%碳酸氢钠溶液冲洗,然后立即送往医院
D.
先用大量水冲洗,再用3%-5%碳酸氢钠溶液冲洗
【判断题】零件在轴上的周向固定可采用键、销、过盈配合联接。
【判断题】零件在轴上的周向固定可采用键、销、过盈配合联接。
【判断题】New as the professor was to the faculty, he could have told this specimen a number of things but he didn't, because he didn't think the student would stay around very long.
【单选题】在实验过程中,不慎将稀盐酸溶液溅入眼内,正确的处理方法是
A.
先用大量水冲洗,再用3%~5%碳酸氢钠溶液冲洗
C.
先用大量水冲洗,再用3%~5%碳酸氢钠溶液冲洗,然后立即送医院
【单选题】在实验过程中,不慎将稀盐酸溶液溅入眼内,正确的处理方法是( )。
C.
先用大量水冲洗,再用 3%-5% 碳酸氢钠溶液冲洗
D.
先用大量水冲洗,再用 3%-5% 碳酸氢钠溶液冲洗,然后立即送往医院
【判断题】He told a very long story about his life in America.