如图是人血涂片示意图,对该图的叙述中错误的是( )
A:人患炎症时①的数量会增多
B:②主要成分是水,能运输养料和废物
C:缺铁或蛋白质会影响③的功能
D:输血时血型不合④会凝集成团
现在有一个量程足够的弹簧测力计,一个半径为R的真空吸盘,一块结实的玻璃板,刻度尺.请你利用这些器材粗略测量大气压强,并写出大气压强的数学表达式.
下列对课文主要句子的分析错误的一项是( )
The academy____(locate) in the Garden Hotel, aims to provide workshops and corporate training courses ____(relate) to fashion design.
---Does Scott come _________ Beijing?
---Yes, but now he lives _________ his uncle in Shanghai.
①C6H12O6→丙酮酸;
②丙酮酸+H2O→CO2+H;
③H+O2→H2O,