可靠性的特性值主要有（）等。A、可靠度 B、不可靠度 C、故障率 D、平均故障间隔期和平均 发布时间：2018-01-29 05:40 │ 来源：www.tikuol.com 题型：多项选择题 问题： 可靠性的特性值主要有（）等。A、可靠度B、不可靠度C、故障率D、平均故障间隔期和平均寿命
题型：多项选择题 在△ABC中，a，b，c分别为内角A，B，C的对边，且b2+c2-a2=bc．（Ⅰ）求角A的大小；（Ⅱ）设函数f(x)=3sinx2cosx2+cos2x2，求f（B）的最大值，并判断此时△ABC的形状． 查看答案
题型：多项选择题 完形填空。 Your room is your own special space. It's 1 just a place for you to study and sleep. So make it fun and 2 to live in. Here are some tips to help you. Give your room a theme (主题). Having a 3 makes your room look more stylish and beautiful. A room's theme can be 4 . It could be about one of your favorite things, like football or music or a colour.Pick a theme and keep it in mind, then decorate the room around the theme you have chosen. 5 , some boys like skateboarding (滑板). Paint the walls in skater stripes (条纹), and 6 disco balls from the ceiling and use skateboards as shelves (架子). 7 you are a girl, you may be more interested in 8 like dolphins (海豚). Pick curtains (窗帘) and bed covers with dolphin patterns on them. Put dolphintoys on your bed, too. Draw or paint pictures of dolphins playing on your walls. Make your room as blue as the 9 . So when you walk into the room, you 10 it's a home for dolphins! ( )1. A. less than ( )2. A. boring ( )3. A. problem ( )4. A. different ( )5. A. As a result ( )6. A. hang ( )7. A. When ( )8. A. vegetables ( )9. A. sky ( )10. A. look like B. more than B. tiring B. flower B. difficult B. Such as B. wrap B. While B. sports B. sea B. sound like C. as much as C. enjoyable C. doll C. important C. For example C. tie C. As C. animals C. river C. feel like D. as long as D. suitable D. theme D. interesting D. As is said D. stick D. If D. pictures D. lake D. taste like 查看答案
题型：多项选择题 我国政府的职能主要有[ ]①保障人民民主和维护国家长治久安的职能②组织社会主义经济建设的职能③组织社会主义文化建设的职能④提供社会公共服务的职能A、①②③B、②③④C、①③④D、①②③④ 查看答案
题型：多项选择题 男性，32岁，因汽车从骨盆压过不能排尿4小时，抬入诊室。查体：BP70/50mmHg，P120次／分，膀胱位于脐耻之间，小腹及骨盆处皮下淤血。直肠指诊可触及浮动的前列腺，输血、补液后血压上升不明显。该患者尿外渗的部位是（）A.会阴浅袋B.三角韧带内C.腹壁浅筋膜D.腹腔内E.膀胱前列腺周围腹膜外 查看答案