In those days ,books could only be produced one at a time _____________.
A. in handB. with hand C. by handD. by hands
Food safety is important. Rules _____ to stop people from food pollution.
A. must make B. must be made C. mustn’t make D.
mustn’t be made
—Why don’t we start a school magazine on line? —________
A. Sounds like a good idea! B. It doesn’t matter. C. Thanks for your help. D. Sorry to hear that.
The sign 
means _________
A. No parkingB. No right turn C. You can’t turn left D. No entry
--- --Who won _______prize for the “Most Beautiful Nature” photography? ------______18-year-old girl.
A. the; A B. a; A C. the; An D. a; An
现在环境变得越来越差。环境问题影响着人们的工作，学习，生活。而我们的工作，生活，生产又使环境污染越来越严重……如何保护我们的环境?请以“How to protect/save our environment/world?”为题写一篇短文。
提示：1．水污染和大气污染越来越严重
2．森林被破坏和砍伐
3．白色垃圾随处可见
要求：1．如何改善/保护环境？至少3～4个方面，80词左右。
2．文中不得出现真实的地址和姓名。
