下列一组物质不属于同素异形体的是( ) A.金刚石和富勒烯(C60) B.一氧化 发布时间:2017-05-27 00:06 │ 来源:www.tikuol.com 题型:选择题 问题: 下列一组物质不属于同素异形体的是( )A.金刚石和富勒烯(C60)B.一氧化碳和二氧化碳C.氧气和臭氧D.红磷和白磷
题型:选择题 完形填空。Zip: How 1 your weekend? Zoom: It was a busy one. Zip: What did you 2 on Saturday morning? Zoom: I washed my clothes. I went 3 a park. Zip: What did you do on Saturday? Zoom: I 4 my homework. I went 5 .( ) 1. A. was ( ) 2. A. did ( ) 3. A. to ( ) 4. A. doing ( ) 5. A. fishes B. were B. does B. in B. do B. fish C. is C. do C. on C. did C. fishing 查看答案
题型:选择题 根据这组算式的规律,将最后一个算式补充完整12+14=3412+14+18=7812+14+18+116=151612+14+18+116+132=313212+14+18+116+132+______=______. 查看答案
题型:选择题 2010年广州亚运会中,我国体育健儿取得了空前辉煌的成绩,体操健儿做出了各种高难度的动作,完成这些动作都离不开关节,你知道关节在运动中起的作用是 [ ]A.动力作用B.杠杆作用C.支点作用D.调节作用 查看答案
题型:选择题 高血压脑出血考虑的手术禁忌证不包括哪项A.早期出现深昏迷,呼吸停止B.小脑出血,出血量15ml左右,病情进行性加重C.双瞳孔散大,去脑强直,脑疝形成D.脑干出血,深昏迷E.年龄在70岁以上,深昏迷,双侧瞳孔散大 查看答案