主页
学科
搜索
账户
常见问题
当前学科:施工员专业基础知识
题目:
单选
受弯构件ρ≥ρmin是为了防止()。
A . 少筋梁
B . 适筋梁
C . 超筋梁
D . 剪压破坏
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
色谱实验检测良好现性方法是()。
紧急用梯子放置在几号车内?()
生物芯片检测仪器是一种多学科高度结合的精密仪器,学科包括()
关于标记,下列说法正确的是
以下保险费率最高的是()。
绘图题:画出一相式接线电流互感器的接线方案图。
Chinas young need some form. of sex education. What will they get from it? What is the best way to teach【C1】______? Michael: Im a college student. But I havent【C2】______any sex education from either teachers or parents. In the cyber age, students can get information【C3】______many ways. For teenagers, sex knowledge is important. It will【C4】______their attitudes towards sex. If they get it from pornography(色情文学), their【C5】______towards sex will be unhealthy and they cant deal well with the opposite sex and love. Anna: In recent years, more young【C6】______have had premarital pregnancies(受孕).I think the reason is【C7】______the young are full of curiosity about sex and have no idea about it. Also,【C8】______young girls have been raped, and【C9】______of them have no knowledge about sexual self-protection. So, parents and teachers should【C10】______traditional ideas about sex education for young students to avoid【C11】______harm. Geng Shanshan: In my opinion, Chinese teenagers do need sex education. It is necessary for them to form. a correct view of the opposite sex. It can also【C12】______strengthen young peoples sense of self-protection,【C13】______will control them from doing something【C14】______. Teenagers can get a lot of benefit by receiving such education. Luke: In my opinion, sex education videos could be an effective means to tell young people【C15】______they should know. And, it would be【C16】______easier if boys and girls watched them separately. In addition, communication is necessary : school authorities could【C17】______a hot line to answer students questions about sex. Ding Fei: Sex is the important topic that teachers and parents want to【C18】______. In my opinion, to change this situation, we must first make it【C19】______to teachers and parents that sex education is needed to guarantee(保证)the healthy growth of the young. Obviously, without their participation, sex education will【C20】______be successful.【C1】A.themB.himC.herD.us
机车乘务员在运行途中应注意哪些安全事项?
喉阻塞时呼吸困难以吸气性呼吸困难为主,是因为以下哪项
足月妊娠,规律性腹痛10小时,宫口开大5cm,先露部为头S,大囟门位于11点,小卤门位于5点,下述胎位最正确的是()。