【单选题】设集合M={y|y=x 2 +1,x∈R},N={x|x=2a 2 -4a+1,a∈R},则集合M与N的关系为( )
【判断题】专利申请权、专利权可以出卖、赠与、抵押,也可以作价投资入股。
【判断题】专利申请权、专利权可以出卖、赠与、抵押,也可以作价投资入股。
【单选题】Which of the following statements is TRUE about Chin's wife?
A.
She sold her favorite gold hairpin with no hesitation.
B.
She served her husband and his friend very well.
C.
She understood her husband and tried to satisfy him.
D.
She always did her housework without any complaint.
【简答题】What are the difference s in shape and effect on dress between Chin a and the West?
【简答题】已知集合M={1,2,3,…,n}(n∈N*),若集合 ,且对任意的b∈M,存在a i ,a j ∈A(1≤i≤j≤m),使得b=λ 1 a i +λ 2 a j (其中λ 1 ,λ 2 ∈ {﹣1,0,1}),则称集合A为集合M的一个m元基底. (Ⅰ)分别判断下列集合A是否为集合M的一个二元基底,并说明理由; ①A={1,5}M={1,2,3,4,5}; ②A={2,3},M={1,2,3,4,...
【判断题】液体授粉时,为节省时间,可以提前配置大量的花粉水悬浮液备用。
【简答题】某大医院一位眼科博士,因急于为两位病人进行角膜移植,而又一时找不到现成的供体角膜,所以在本院“盗取”了一病死者的尸体角膜用于移植,获得成功。此事后被死者家属发现,以未经本人生前及死后家属知情同意,严重损害了死者及其家属的权益为由,将该医生告上了法庭。经调查得知:接受角膜移植术的两位病人与该医师无特殊关系;死者生前与该医师无利害冲突;该医师也未由此谋取分文私利,只是不了解有关要求。对该医师的正...