在OSI参考模型中，实现节点到节点的流量控制、分组路由等功能的协议层是 (11) 。 发布时间：2017-07-23 16:17 │ 来源：www.tikuol.com 题型：单项选择题 问题： 在OSI参考模型中，实现节点到节点的流量控制、分组路由等功能的协议层是 (11) 。A．数据链路层B．网络层C．传输层D．会话层
题型：单项选择题 阅读理解 Are you looking for some new and exciting places to take your kids to? Try some ofthese places: Visit art museums. They offer a variety of activities to excite your kids' interest. Manyoffer workshops for making hand-made pieces, traveling exhibits, book signings(签名) by children's favorite writers, and even musical performances and other arts. Head to a natural history museum. This is where kids can discover the past fromdinosaur models to rock collections and pictures of stars in the sky. Also, ask what kind of workshops and educational programs are prepared for kids and any special events that are coming up. Go to a Youtheater. Look for one in your area offering plays for child and familyvisitors. Pre-show play shops are conducted by area artists and educators where kidscan discover the secret about performing arts. Puppet (木偶) making and stagemake-up are just a couple of the special offerings you might find. Try hands-on science. Visit one of the many hands-on science museums around thecountry. These science play-lands are great fun for kids and grown-ups alike. They'llkeep your child mentally and physically active the whole day through while pushingbuttons, experimenting, and building.. When everyone is tired, enjoy a fun familyscience show, commonly found in these museums.1. If a child is interested in the universe, he probably will visitA. a YoutheaterB. an art museum C. a natural history museumD. a hands-on science museum2. What can kids do at a Youtheater?A. Look at rock collections.B. See dinosaur models.C. Watch puppet making.D. Give performances.3. What does "hands-on science" mean in the last paragraph?A. Science games designed by kids.B. Learning science by doing things.C. A show of kids' science work.D. Reading science books.4. Where does this text probably come from?A. A science textbook.B. A tourist map.C. A museum guide.D. A news report. 查看答案
题型：单项选择题 温 * * 在今年的“世界读书日”说，读书决定一个人的修养和境界。这表明读书[ ]A．可以获得不同的文化知识 B．作为一种文化活动能够塑造人 C．是人们享用文化的表现 D．体现了人们对真善美的追求 查看答案
题型：单项选择题 我国企业会计准则规定，现金流量表的主表和补充资料部分（）。A．均采用直接法编报 B．均采用间接法编报C．分别采用直接法、间接法编报 D．分别采用间接法、直接法编报E．均采用直接法和间接法相结合的方式编报 查看答案
题型：单项选择题 关于药品的摆放叙述不正确的是（）A.根据药品性质所要求的条件，对不同性质的药品应按规定放置保存B.根据药品管理法要求，分别对麻醉药品、精神药品、毒性药品等专柜加锁保存C.从药品价格出发，对贵重药品单独保存D.对一些误用可引起严重反应的一般药品，应放置在一起保存E.对易引起混淆的药品应分开摆放并要有明显标记 查看答案