对于双室平衡容器，汽包压力降低，将造成差压计指示水位偏低，而且在汽包低水位时偏低程度 发布时间：2021-01-02 15:33 │ 来源：www.tikuol.com 题型：判断题 问题： 对于双室平衡容器，汽包压力降低，将造成差压计指示水位偏低，而且在汽包低水位时偏低程度更加严重。
题型：判断题 完形填空。 Do you have a mobile phone? Do you send messages to your friends and family? Text messaging or "texting" is becoming very popular. But scientists have 1 that texting can give us problems with 2 hands. Be careful! Too 3 texting can cause swelling in our thumbs. Our thumbs are not made for pushing small buttons. Over and over, scientists 4 this problem RSI. We spoke to a doctor called Harriet Wilson, who treats many 5 people with RSL. She says we need to see how much time we are spending in 6 text messages. If we are spending more than 10-15 minutes once, we could have problems in the future. As mobile phones 7 , they are getting smaller with buttons closer together. Texting with a 8 phone is worse than using a larger phone with bigger buttons. Using a computer keyboard and playing video games can 9 the same problem. So, more and more people could find themselves with RSI. Among them, most are university 10 and teenagers, as they do not know the 11 of spending so much time using computers, video games and mobile phones. 12 we don't do something about this, too many young people could grow up in terrible pain. ( )1. A. invented ( )2. A. our ( )3. A. many ( )4. A. call ( )5. A. busy ( )6. A. writing ( )7. A. develop ( )8. A. busier ( )9. A. know ( )10. A. teachers( )11. A. work ( )12. A. If B. discoveredB. their B. much B. make B. happy B. reading B. look B. larger B. look B. students B. problems B. And C. said C. him C. long C. write C. sick C. typing C. show C. clever C. hear C. classmates C. risks C. But D. known D. his D. short D. stand D. rich D. talking D. stay D. smaller D. cause D. friends D. time D. Of 查看答案
题型：判断题 200×年×月×日15时5分左右，由A建设公司总承包、B监理公司监理、C机电设备安装有限公司分包的某商店电梯安装工程发生一起安全事故。C公司一工人在吊装扶梯时，因起重葫芦带电而触电身亡。根据穗建筑[2003]68号文，对相关责任单位和责任人处理如下：暂停C机电设备安装有限公司承接市属工程任务半年；对总承包单位予以通报批评，暂停承接市属工程任务3个月；对B监理公司予以通报批评，暂停承接市属工程监理任务3个月。 根据以上场景，回答下列问题：电梯安装和维修单位应有( )。A．国家级的认可资格证书B．省级的认可资格证书C．市级的认可资格证书D．县级的认可资格证书E．认可资格证书 查看答案