What the applicant wears, as the writer suggests, can make him look ______.
A. personal
B. persuasive
C. informative
D. conservative
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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
外源性致热原的特点,正确的是
A. 分子量较小
B. 其致热源性可被蛋白酶类所破坏
C. 能激活血液中的中性粒细胞和单核细胞
D. 直接作用于体温调节中枢
E. 在体内最终由肝、肾灭活和排泄