起动发动机之前应检查机油、燃油、冷却水。
题型：判断题
问题：
起动发动机之前应检查机油、燃油、冷却水。
题型：判断题
| 看地图，选择正确的词填空完成句子。 | |
 This is a map of China. 1. Beijing is in the ____________________ of China. 2. Shanghai is in the ____________________ of China. 3. Haikou is in the ____________________ of China. 4. Lhasa is in the ____________________ of China. |