()不是项目后评价的方法。
参考答案:层次分析
As it is known to all,________ attention you pay to your spelling,________ mistakes you might make.
A.the less; the less
B.the less; the fewer
C.the less; the more
D.the more; the more
发现煤气供应中断现角,应立即关掉所有()用具,和所有煤气阀门。