听上去汽车的发动机好像坏了。如果是这样的话，我们最好立刻把它送到修理厂。

It sounds like something is wrong with the car's engineer. ____ ____ ,we'd better take it to the garage immediately.

A．It is the capital of Japan．You can see a lot of tall buildings there．A lot of tourists enjoy shopping in Tokyo．People in Tokyo love eating sushi．

B．It is the capital of China．You can find museums，palaces and parks there．Most tourists like visiting these places．They like visiting the Great Wall too．People in Beijing love eating dumplings．

C．It is the capital of the UK．You can find many museums there．People in London love eating fish and chips．

  ____

  ____

  ____

用烟煤烧水时，将10kg的水在1标准大气压下从20℃烧开，燃烧了1.4kg的烟煤．（烟煤的热值是3×10⁷J/kg）求：

（1）水吸收的热量是多少？

（2）1.4kg烟煤完全燃烧放出的热量是多少？

（3）实际上烟煤没有完全燃烧．若水吸收的热量是烟煤放出热量的84%，那么烟煤实际放出的热量是多少？

现实生活中，我们会遇到各种各样的“标志线”。下列属于关爱公民生命健康权的“标志线”是（）
①横穿马路的“斑马线” ②施工现场的“警戒线”  ③银行窗口的“l米线” ④火车站台的“候车线”