题目内容：

阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。

Chinese high-speed railways are a very comfortable way to travel. They are clean, quiet and1.(efficiency). China 2. (lead) other developing countries and even some developed ones in this field since the first high-speed train came into use in 2008.

The stations are 3. (main) built outside the town center, but local transport has been lengthened 4. (connect) the high-speed network. The 5. (facility) on the train are new and the staff are well trained. Even the second class chairs provide plenty of space. The passages are wide and you can move easily, not 6. (disturb) anyone. You can use your mobile phone or work on your laptop, having access 7. the Internet. There is also a restaurant car, though the kinds of food 8. (be) limited. The toilets arc large, clean and user-friendly too. The train almost doesn’t rock. Even when the train brakes, you can hardly feel it shake.

What’s more, with a faster check-in, the high-speed trains are also 9. (little) affected by weather than planes. Seldom are 10.delayed or cancelled for weather condition. Therefore, they have become the first choice for many passengers.