校园英语口语 Unit19:swimming It's so hot. How about going swimming? Sounds good. Are you good at swimming? I can't even do the doggie-paddle. What about you? Can you do the frog-stroke? Surely I can. I love this game. I can do the back-stroke and th

发表于:2018-12-30 / 阅读(108) / 评论(0) 分类 校园英语

Imagine a summer weekend on a California beach dense with bodies. But for one onlooker, this seemingly calm scene may be a series of accidents waiting to happen. How does a lifeguard know when a raised arm means I need help, not hey,this is fun? The

发表于:2018-12-30 / 阅读(68) / 评论(0) 分类 国家地理2008年

Imagine a summer weekend on a California beach dense with bodies. But for one onlooker, this seemingly calm scene may be a series of accidents waiting to happen. How does a lifeguard know when a raised arm means I need help, not hey,this is fun? The

发表于:2019-01-22 / 阅读(103) / 评论(0) 分类 自然百科2008年

Ruth is a lifeguard. She wears a bright, red shirt. She has a whistle. She sits on a tall chair. She looks at the swimmers at the beach. She makes sure everything is okay. She looks out for danger. When people are drowning, she saves them. People lik

发表于:2019-01-24 / 阅读(50) / 评论(0) 分类 英语第2级听力-English Level 2

Emily was a lifeguard at the local pool. Her job was to make sure the kids were safe. She had to watch the pool. She had to save kids if they were to drown. Emily had to know how to swim well. She also had to know CPR. She had to make sure she was al

发表于:2019-01-24 / 阅读(111) / 评论(0) 分类 英语第5级听力-English Level 5