下列各句中没有语病的一句是 （  ）

表是第三周期部分元素氧化物和氟化物的熔点和摩氏硬度：

化合物	NaF	MgF2	MgO	SiF4	SiO2
熔点/K	1266	1534	3125	183	1983
摩氏硬度	3，2	6.0	6.5		7

请根据括号中的中文提示、英文释义或句意，写出句中所缺单词，使句子通顺。

阅读理解
    Tom lives in the UK. His friend Jack is in Dubai. He will go to see his friend. First he needs to go to London to take the plane.
    On Friday morning, Tom takes a bus to the train station. It takes Tom about 30 minutes to get there. Tom gets on the train at about 10 o'clock：The train leaves at 10：15. The train trip to London takes three hours. At lunchtime Tom gets to London. Tom eats a hamburger for lunch. Then he goes to the airport(机场)by subway. After about one hour,Tom gets to the airport. Tom gets on the plane at 8 o'clock in the evening. The trip takes a long time. Tom is tired(疲倦的)after a busy day. So he goes to sleep(睡觉). On Saturday morning, Tom gets to Dubai. He is very happy, because he will have a great time with his friend.

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