在用pH玻璃电极测定的溶液pH时,为什么要选用与试液pH相接近的标准pH溶液定位?
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The meeting was interesting to some people, and to me it was boring.
A B C D
A
B
C
D
It is difficult to make yourself understand in a foreign country when you have no knowledge of its language.
A. to make
B. understand
C. when
D. knowledge
“齐中轴”的排列方式,下列选项错误的:是()。
A. 在文句每行长度不同的情况下,都对齐中心的轴线
B. 使文本两边都自然形成长短不一的节奏变化,但又左右对称
C. 排版风格单凋呆板,应适当考虑不同粗细字体的相互搭配
D. 排版风格较为活泼,适合安排在广告画面的中部位置