A:1.0L 0.1mol/L的NH4Cl溶液中NH4+的个数为0.1NA
B:常温下,Cu-Zn原电池中,正极产生1.12LH2时,转移的电子数为0.1NA
C:常温下,0.05molCO2和SO2混合气体中所含氧原子数为0.1NA
D:高温高压下,1.4 g N2与0.3 g H2反应,生成的NH3分子数为0.1NA
– It's very cold outside!– OK. It's good for me to wear________ .
北京位于____平原的北部边缘,背靠群山(燕山),面向渤海,气候类型是____ .
— That's because he can't study _______.
若(x-1)2+|y-2|=0,则x+y的值等于( )