The cub is usually born in ________.

In the movie, once Chenchen took home the cub, he could not _____ (撤销) the decision.

Shark is to hammerhead as bear is to () A: arctic B: cub C: moose D: polar E: paw

设全集U=Z，集合A={﹣1，1，2}，B={﹣1，1}，则A∩（CUB）= 　 [     ]

下列卤化亚铜中颜色最深的是 A: CuF B: CuCl C: CuB D: CuI

根据离子极化和离子变形学说,下列物质在水中溶解度从大到小的顺序为： A: CuI>CuCl>CuF>CuB B: CuI>CuBr>CuCl>CuF C: CuF>CuI>CuCl>CuB D: CuF>CuCl>CuBr>CuI

In August, a ________ giant panda gave birth to a male cub in a near-wild environment in forests of Wolong. A: captive-bred B: mixed-bred C: hatching-bred D: cross-bred

设全集 U ={-3,-2,-1,0,1,2,3},集合 A ={-1,0,1,2}, B ={-3,0，2，3}，则A [img=12x16]17de8834ab412bb.png[/img] CuB =（ ） A: {-3,3} B: {0,2} C: {-1,1} D: {-3,-2,-1,1,3}

设全集 U ={-3,-2,-1,0,1,2,3},集合 A ={-1,0,1,2}, B ={-3,0，2，3}，则A [img=12x16]1803dc74aee45b9.png[/img] CuB =（ ） A: {-3,3} B: {0,2} C: {-1,1} D: {-3,-2,-1,1,3}

下列电极反应中,电极电势最小的是 A: Cu2+ + e- = Cu+ B: Cu2+ + Cl- + e- = CuCl C: Cu2+ + Br- + e- = CuB D: Cu2+ + I- + e- = CuI