斜巷安装地辊的间距要求有哪些?
参考答案:地辊之间一般间距为15m,最大距离不超过25m,以轨枕、道木无明显磨痕为准,巷道内变坡点处应增加地辊。
读欧洲西部地形图和北美洲地形图,回答下列问题。
(1)欧洲北部与北美洲北部共同濒临的大洋是_________。
(2)欧洲西部地势南北较高,中部以_______为主,利于温带海洋性气候的形成,北美洲中央为大平原,地势东西高,中间低,为_________气候。
(3)欧洲西部深受海洋的影响,港口众多,荷兰的_______是世界上最大的海港之一,海上航运极为发达,世界上三分之一的商船航行在北美通往欧洲西部的_________航线上。
(4)美国河湖众多,密西西比河自北向南注入_______,欧洲河网密布,流经国家最多的河流是_______。
(5)欧洲西部旅游资源丰富,意大利、法国、_______是世界上三大旅游王国,美国高科技发达,旧金山附近的圣克拉拉谷地被称之为“_______”。
根据对话内容和所给汉语提示,在空白处填入单词的正确形式。每空限填一词。
Dear students,
As we all know, good health is important for success in exams, so I’m 小题1: (写) to give you all some ways which are 小题2: (有帮助的) to you
First of all, it is necessary that you sleep well 小题3: (在……期间) the exam period in order that you can have 小题4: (足够的) energy. Second, a healthy, balanced 小题5: (饮食) is important to your success. In order to eat healthily, try to avoid eating food high in fat. It’s 小题6: (更好) for you to eat a lot of vegetables and fresh fruit which are 小题7: (充满) of vitamins. Besides, don’t forget to take exercise no matter how busy you are. It can help you build a strong 小题8: (身体) as well as making you relaxed.
小题9: (另一个) way I will share with you is this: studying with other people will help you discuss and form your own ideas. Plus, you won’t feel 小题10: (孤单的)!
Best wishes and stay healthy.
Yours,
Li Hua