【单选题】Noble metals include which of the following( )
B.
platinum,ruthenium,and osmium
C.
platinum,palladium,andmanganese
D.
copper,osmium,and iridium
【简答题】How many countries has Enya’s second album Watermark gone platinum?
【多选题】根据《中华人民共和国公务员法》,下列属于综合管理类非领导职务的有:﹍﹍﹍()
【单选题】图(a)所示结构截面K的剪力影响线Q K 如图(b)所示,其中竖标1是:( )。
【单选题】A joint-stock corporation allows people to ______.
A.
divide the corporation's property
B.
hold shares of the corporation
C.
return their percentage back to the corporation
D.
divide their initial investments to a corporation