【判断题】同一个C语言源程序文件中,main函数可以有多个。
【判断题】中国传统刺绣所使用的主要材料有绣花线、绣布。
【判断题】C源程序可以由多个文件组成,每个文件中都可有一个主函数main____。
【简答题】3.
On average, there are 800 tornadoes in the US each year, _______ many deaths
and injuries.A. .
and cause B. which
caused C. which
causes D. only
to cause
【简答题】Not only do cosmetics harm our skin and cause acne, but they cost a lot of money. On average, a woman spends around $300 on makeup each year. Even if she finds it at low prices, there is the possibili...
【单选题】氯霉素抑制蛋白质合成的机制是
B.
与 30S 亚基结合,使 mRNA 密码错译