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五、阅读短文,在空白处填入一个适当的单词,使短文通顺、意义完整
Biking is a popular way of traveling. Different countries have different rules for child riders.
In most countries, child riders must wear a helmet 1. ______ biking. And some countries have 2. ______ age limit(限制) for child riders. In China, children cannot ride on roads if they are 3. ______ 12 years old.
In Germany(德国), children must pass some exams 4. ______ get a bike license(执照) before they ride on roads. It 5. ______ cool but a little difficult, right?
Biking is a popular way of traveling. Different countries have different rules for child riders.
In most countries, child riders must wear a helmet 1. ______ biking. And some countries have 2. ______ age limit(限制) for child riders. In China, children cannot ride on roads if they are 3. ______ 12 years old.
In Germany(德国), children must pass some exams 4. ______ get a bike license(执照) before they ride on roads. It 5. ______ cool but a little difficult, right?
答案：
1. while 2. an 3. under 4. to 5. sounds
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