馈线和室外跳线的接头要接触良好并作防水处理,在馈线从馈线口进入机房之前,要求有一个(),以防止雨水沿着馈线渗进机房。
参考答案:滴水弯位
阅读短文,判断正(T)误(F)。
My name is Vivian. I am a Chinese girl. My hair is long. I have two big eyes and a small mouth. Rose is my
good friend. She comes from England. She is eleven. I am eleven, too. She's 152 cm tall, and I'm 153 cm tall.
She has two big eyes and a big mouth. Her hair is long, too. I like blue, but Rose likes red. I like storybooks and
she likes dolls. I go to school later than Rose, but we often play and study together. We are very happy.
( ) 1. Rose is my good friend.
( ) 2. Her eyes are not big.
( ) 3. I like red.
( ) 4. I am as tall as Rose.
( ) 5. Rose likes puzzles.
( ) 6. My mouth is bigger than hers.
( ) 7. I like reading storybooks.
健康教育的最终目的是( )
A.帮助人们掌握基本的健康知识和技能B.引导和促进人们树立健康观念和自我保护意识C.促进人们自己采纳有利于健康的行为和生活方式D.合理利用社区的保健服务和资源E.改善、维护和促进个人、家庭、社区的健康