SEO能为网站带来的效果包括()。 ["能帮助网站流量提升","能帮助关键词排名提升","能帮助用户体验提升","能帮助提升品牌知名度"]
关于我国植被特点的描述不正确的是() ["草原沙漠化严重","我国植被中,草原占据了主体","人均森林面积少","森林生态系统呈现衰退的趋势"]
.矿井供电系统对电气保护装置的基本要求有()。 ["快速性","选择性","灵敏性","可靠性"]
Given the uncompleted code of a class: class Person { String name, department; int age; public Person(String n){ name = n; } public Person(String n, int a){ name = n; age = a; } public Person(String n, String d, int a) { // doing the same as two arguments version of constructor // including assignment name=n,age=a department = d; } } Which expression can be added at the "doing the same as..." part of the constructor?() [" Person(n,a);"," this(Person(n,a));"," this(n,a);"," this(name,age);"]
施工预算的表格中,“两算”对比表是指()。 ["不同分项工程内容的施工预算与施工图预算的对比分析表","不同分项工程内容的材料消耗对比分析表","同一工程内容的施工预算与施工图预算的对比分析表","同一工程内容的人工费、材料费的对比分析表"]
目前国内各商业银行采用的住房贷款还款方式主要为等额本息还款法和()。