A：细胞壁、细胞膜、细胞核
B：细胞膜、细胞核、液泡
C：细胞膜、细胞质、细胞核
D：细胞壁、细胞质、细胞核
已知NH3难溶于CCl4，如图所示，下列装置中，不宜用于吸收氨气的是（ ）
To make the hall brighter, they have decided to ______ two more lights.
Now, even cars can ____ (购买) on the Internet with just a few clicks of a mouse.
