看图列式。
□+□=□ □+□=□
□-□=□ □-□=□
10+4=14、4+10=14、14-4=10、14-10=4
—Congratulations! Your speech is excellent.
—______.[ ]
A. Oh, no
B. It doesn't matter
C. That's a good idea
D. Many thanks
简述采用气相色谱法测定酒剂中的乙醇量时的条件。