( )主体负责方案的具体确定。
A．投资决策
B．投资实施
C．投资经营
D．投资效益
参考答案：A
用no matter+ 特殊疑问词或however 与 whatever 完成句子。
1. _____ breaks the law should be punished.
2. ____ he goes abroad, he will buy presents for his sister.
3. ____ hard he works, he can not satisfy his boss.
4. _____ difficulty there is, we must work together.
词法分析器的主要任务是什么？
