What the applicant wears, as the writer suggests, can make him look ______.
A. personal
B. persuasive
C. informative
D. conservative
下列描述正确的是( )。
A. 表示m>n为false或m<n为true的达式为(m>n&&m<n)
B. swish语句结构中必须有default语句
C. if语句结构中必须有default语句
D. 如果至少有一个操作数为true,则包含‖运算符的表达式为true
Project Skylab was designed to demonstrate that a person can work and live in space for prolonged periods without ill effects.
A. unexpected
B. obvious
C. adverse
D. immediate
The scientist and agricultural innovator George Washington Carver aided the economy of the South by developing hundreds of commercial uses for crops such as the peanut.
A. restored
B. stabilized
C. helped
D. changed