My friend showed me round the town, ______ was very kind of him. 
| A．which | B．that | C．where | D．it |
相关试题
下列叙述中正确的是
| A．构成原电池正极和负极的材料必须是两种金属 |
| B．由铜、锌作电极与硫酸铜溶液组成的原电池中铜是负极 |
| C．马口铁（镀锡铁）破损时与电解质溶液接触，锡先被腐蚀 |
| D．镁．铝作电极，与硫酸构成原电池，电流由铝经导线流向镁 |
My friend showed me round the town, ______ was very kind of him.
| A．which | B．that | C．where | D．it |
下列叙述中正确的是
| A．构成原电池正极和负极的材料必须是两种金属 |
| B．由铜、锌作电极与硫酸铜溶液组成的原电池中铜是负极 |
| C．马口铁（镀锡铁）破损时与电解质溶液接触，锡先被腐蚀 |
| D．镁．铝作电极，与硫酸构成原电池，电流由铝经导线流向镁 |
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