3D打印技术发展迅速，许多专家建议把这项技术介绍给更多的中学生．
The 3﹣D printing is developing fast．Manyexperts suggestthat it should be to more middle school students．
环境在日益恶化，人们必须开始采取行动改善它．
The environment is getting worse．People have to start to improve it．
生活充满挑战，我们应该怀最好的希望，做最坏的准备．
Life if full of challenges．We should hope for the best and the worst．
我的父母对我要求很严格，所以我有着良好的习惯．
My parents are very me，so I have good habits．
这家书店每天从早八点到晚七点营业．
This bookstore is open 8a．m． 7p．m．
Where is the city museum？
It's （在…对面）the front gate of the Grand Hotel．
In the first half of the year， there was （四十）twins among all the new born babies in that hospital．
When Mr． Jiang got up in the morning， his suit was ironed （平整地）by the robot．
The boy threw the ball to the dog and it （接住，捉住）the ball successfully．
The dentist suggest that the girl should brush their （牙齿）before going to bed．
When you think of Venice，does it bring any other city to your mind？（欧洲的）
Tom，look at the sign!We're not to park our car here．（允许）
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