2. When it comes to how much you can spend on a wedding, ______.
it’s a piece of the action take to the skies the race is on the sky’s the limit
3. Our new helicopter can stay ______ for 10 hours before needing to refuel.
airborne aviation aboard to the skies
4. Lots of people rented their apartments to visitors when the Olympics came to London. They all wanted ______.
to take to the skies to cost the earth to buckle up a piece of the action
5. Your plan is interesting, but there’s not much ______ for failure.
headroom leeway congestion viability
答案 1. 阅读课文并回答问题。
1. Why are batteries an issue?
Batteries only last a short time before needing to be recharged. US regulators also demand aircraft carry at least 20 minutes of spare fuel, which limits the flight time even further.
2. What does the author believe is the most significant challenge for drone taxis to be successful?
The author believes that the biggest problem is convincing the public and regulators that drone taxis are safe.
3. Which word means ‘disadvantages’?
Downsides.
4.Which word means ‘a new business designed to solve a specific problem’?
【The sky taxis with no pilots 无人驾驶的空中出租车】相关文章:
★ The mystery of our earliest memories 人类早期记忆的谜团
★ The dogs who safeguard our hearts 养狗能保护我们的心脏健康
★ Connection and link 两个表示“关系”的单词
★ Brain activity and heart disease 大脑活动与心脏疾病之间的联系
★ The dangers that lurk in your bathroom 可爱的橡皮鸭可能危害健康
★ The science of singing 歌唱背后的科学知识
★ The best of both worlds 两全其美
★ Should schoolchildren have jobs? 中小学生应做兼职工作吗?
★ The company with no boss 群龙无首的公司
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2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15