【简答题】若只需要通过一个成员函数读取其数据成员的值,而不需要修改它们,则应在函数头的后面加上()关键字;若只需要读取引用参数的值,不需要对其修改,则应在该参数说明的开始使用()关键字。
【判断题】土地的自然特性包括土地供给的稀缺性、土地用途的多样性、土地利用方向变更的困难性、土地利用后果的社会性和土地的增值性。
【单选题】( ) his whole-hearted dedication to the project, he didn’t receive any credit for him.
【判断题】His strong will strengthening his optimism, dedication and determination.
【单选题】For his dedication the Mayor him a medal of merit.
【简答题】应用文书的结构类型,大体有: 、 、 、 、 、 、 、 、 和不成文式十种类型。
【单选题】Despite Saunière's reputation for being reclusive, his recognition for dedication to the arts made him an easy man to revere. What is the best explaination of this sentence?
A.
Despite Saunière is not very famous, his dedication to the arts made people respect him.
B.
Despite Saunière is not very famous, his knowledge of arts made people respect him.
C.
Despite Saunière is famous for living by himself, his dedication to the arts make people respect him.
D.
Despite Saunière is famous for living by himself, his knowledge of arts made people respect him.
【简答题】已知短周期的主族元素X、Y、Z、W、M的原子序数依次增大,X是空气中含量最 多的元素,其单质的化学性质非常稳定,Y原子的最外层只有2个电子,Z单质可制成半导体材料,W元素形成的单质为淡黄色的固体,M元素形成的单质为黄绿色气体.请回答以下问题: (1)X元素的符号是 ,它在周期表的位置为 ; (2)Z的氧化物晶体类型为 ,化学式是: ; (3)X与Y能形成离子化合物,该化合物的电子式为 ; (4)X...