【简答题】单词填空。 Wang Ping was _____ (born) in1991 in Shanghai. She swims very well and now is _____ (study) in our school. She hopes to _____ (become) a number of the national team and win at the 2008 Olympic G...
【简答题】根据句意,用所给单词的适当形式填空。 小题1:I didn’t want to be treated (different)from anyone else. 小题2:When she was in her (twenty), she began to study Japanese. 小题3:Compared with his twin brother, he does (well) in Eng...
【单选题】设全集U={1,2,3,4},集合A、B是U的不同子集,若A∩B={1,3},则称A,B为“理想配集”,记作(A,B),则“理想配集”(A,B)的个数为 ( )
【单选题】设全集U={0,1,2,3,4,5,6},集合A={2,3,4,6},则A在U中的补集是( )
【单选题】下列关于热式空气流量传感器检测说法错误的是( )。
【简答题】某通信系统采用CRC校验。要发送的数据为11010011101。采用的生成多项式为P= 。试求发送端的加在数据后面的余数。
【单选题】设全集U={0,1,2,3,4,5,6,7},A={2,3,4,5,6},则集合A在U中的补集是( )
【单选题】What can be known about Maya ’ s dream?
A.
She dreams of becoming a TV hostess.
B.
She hopes to be helpful to animals.
C.
She plans to study at college.
D.
She looks forward to working with Tiffany.
【判断题】组织工程学,指应用生物学和工程学的原理,在正确认知哺乳动物正常及病理两种状态下组织结构与功能关系的基础之上,研究开发能够修复、维持或改善损伤组织功能的生物替代物的一门科学。
【简答题】设全集为U,集合A?U、B?U,则下列关系中与A?B等价的是______.(写出你认为正确的所有序号) (1)A∩B=A;(2)A∪B=B;(3)A∩C U B=?;(4)B∩C U A=?.