湿度腐蚀试验;湿度试验;耐湿试验

Part One 句型推荐 1. Nice day, isn't it? 2. What was the weather like yesterday? Yesterday it rained all day. 3. It looks like snow. 4. How's the weather in Boston? Is it mild? 5. It's very hot an

发表于:2018-12-24 / 阅读(49) / 评论(0) 分类 4+1听力口语MP3

EDUCATION REPORT - Students Face New Worry: Wrongly Scored College-Entry TestsBy Nancy Steinbach Broadcast: Thursday, March 30, 2006 I'm Steve Ember with the VOA Special English Education Report. Abou

发表于:2019-01-02 / 阅读(54) / 评论(0) 分类 2006年慢速英语(三)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Heres a novel potential public health measure against the flukick up the humidity. The cold, dry months of winter signal the start of flu season. But previous resear

发表于:2019-01-08 / 阅读(63) / 评论(0) 分类 Scientific American(二)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Emergency hospital during 1918 influenza epidemic, Camp Funston, Kansas And I'm Faith Lapidus. This week, our subject is influenza, commonly called the flu. W

发表于:2019-01-11 / 阅读(49) / 评论(0) 分类 VOA慢速英语2008年(一)月

the total solar eclipse is one kind of very unusual phenomenon, in that several minutes, the sky brightness will drop 1,000,000 times suddenly, the temperature can fall suddenly suddenly. Moreover the total solar eclipse time is longer, the temperatu

发表于:2019-01-17 / 阅读(51) / 评论(0) 分类 英语作文

Listen to the dialogues and check the items they have talked about. 英语对话1 A:Jenny, could you read tomorrow's weather report for me? B:What's it about? A:l'd like to know the wind and weather conditions. B:Why? A:Because Tom and I are going fi

发表于:2019-01-30 / 阅读(47) / 评论(0) 分类 英语听力练习题