题目内容
2. He saved my life at the (风险) of his own.
2. risk
17. 载大量的乘客去火星18. 没有水、氧气或食物
4. 这个照相机是我自己的，是我用自己的钱买的。
This is my own camera which I bought.
5. 让机器人替我们做所有的工作真是太棒了！
It’sthe robots do all the work for us!
1. Lang Lang began learning to play the piano when he was two years old.(改为简单句) Lang Lang began learning to play the piano of two.
() 2. —do we need to move to Mars?
—The Earth is crowded and polluted.
A. How B. Why C. What D. Where
2. There're a large variety of (商品) in the shop.
4. 网络游戏是一种非常受欢迎的娱乐形式。
A veryentertainment is online games.
4. CRH train travels at the speed of 250 kilometres an hour on Xinjiang Highspeed Railway.(对画线部分提问) .
does CRH train travel on Xinjiang Highspeed Railway?
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