如图是黄土高原地貌景观图，形成该景观的主要原因是（ ） 

Why did Banerjee design his invention?

    What will our world be like in 2050? A group of experts has made____(they) predictions about our life.

    It is____(believe) that we will have “clever”cars by 2050. We won't have so many accidents b____they will probably be able to communicate with each other. Cars will slow down by themselves or stop in____(danger) situations.

    What's more we will never d____! Our brains will be put onto computers and we can live forever. The computers of____future won't look like machine. They'll look like____

    By 2050 there will be less____ (pollute). The factories will be ____(build)on the moon and other planets. We will be able to spend holidays on Mars and be back ____ spaceship in just a few days.

根据拼音写出汉字，给划线的字注音。

       岁月是永不停息的旅人，在现实和未来中chuān____流不息；岁月是生命的使者，使良种变成大树让劣根变成泥土；岁月也是无私的工匠，把善恶美丑均镌____刻在历史的记忆中。