mobility 行动能力

capacity 负荷

out of reach 遥不可及的

fatality 死亡事故

embryonic 未成熟的，初期的

inevitable 必然会发生的

测验与练习 1. 阅读课文并回答问题。

1. Which two car companies already have driverless cars on the road?

2. True or False: Mercedes-Benz created the first driverless car prototype.

3. What advantages will driverless cars bring to society?  

4. Are driverless cars 100% safe?

5. Which expression in the text means not maintain progress with?

2. 请你在不参考课文的情况下完成下列练习。选择一个意思合适的单词填入句子的空格处。

1. I'll never make enough money to go to the moon. It's just a ______.

prototype         fleet         bandwagon         pipe dream

2. I can't get around like I used to. I just don't have the ______ anymore.

autonomy         mobility         contention         fatality

3. The tiger was ______ in its pursuit of the deer. It followed it over miles of country.

pace         inevitable         relentless         embryonic

4. It is believed that there has been at least one _________ in last night's train crash.

fatality         out of reach         adapt         advocate

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