People have taken dangerous risks trying to fly. Some inventors built wings for their arms and flapped them like birds. Some built balloons. Some built machines that glided with the wind. It wasn't easy, though, and it took a long time and much experimentation until people invented the ...
People won’t learn how to fly like birds. 1. **时态分析**:原句括号内的“won’t have learnt”是将来完成时结构,但该时态通常需要明确的时间状语(如“by 2050”)表示动作在将来某一时间前完成。而题目句子中缺乏此类时间状语,使用将来完成时不合理。2. **语义判断**:句子表达的是对未来动作的否定预测...
Birds can fly, but people can't. I hate flying. You wait for hours for the plane to take off and it's often late.The plane's always crowded. You can't walk around and there's nothing to do.You can't open the windows and you can't get off. The seats are uncomfortable, and ...
Living in anage when modern people have never attached more importance to entertainment,many teenagers are so keen on star chasing that they may imitate their idols'way of thinking and style of dressing. What's more, they may also spare noefforts to meet their idols in person, even at grea...
We had to work hard and we weren’t able to buy all those things in the shops today. Life was hard, but it was simple (单纯的)and people were happier. I don’t think I’d like to be young today. ()1. The writer usually went to bed ___ every night. A. at six B. at eig...
3. Plato thought there are four virtues: 1) wisdom, 2) courage, 3) temperance, or self-control, and 4) justice. The most important of these is wisdom, which is knowledge of what is truly good. People who have wisdom and, as a result, know what is truly good, will tend to do wh...
s.根据She believes that when students are bullied(被欺),they should get help from teachers and parents,and not think about revenge.故答案是Get help from teachers and parents. 结果五 题目 How can you become a superhero?You don't have to be able to fly or have super-human strength (...
D. It has enough power to fly for days.25. How did people feel when they saw the bathtub fly? D A. Glad. B. Worried. C. Angry D. Surprised.第二节(共5小题;每小题2分,满分10分)根据短文内容,从短文后的方框中选出能填入空白处的最佳选项。Emm a Yang is a 15-year-old student. She...
If you can't find your way out of the human herd, try to avoid tight spaces or 'choke points' like doorways or tunnels where people are moving through.如果你找不到离开人群的路，尽量避免拥挤的空间或“堵塞点”，如大门或隧道，人们在这些地方通行。Many problems can occur in these areas due ...
More people are flying than ever before, and the increase in air traffic has created a bottleneck at airports around the world. If you've flown lately, you've witnessed the congestion and flight delays. TheFederal Aviation Administration(FAA) warns that if the industry doesn't make changes no...