【简答题】C RIDING in school buses in the early morning,then sitting in poorly lit classrooms,are the main reasons students have trouble getting to sleep at night,according to new research. agers,like every...
【简答题】复式记账法包括借贷记账法、收付记账法和增减记账法。( ) A.正确 B.错误
【单选题】Educational policies made____the hoof by successive secretaries of state are the main reason for low teacher morale.
【简答题】环境与能源问题是当今社会备受关注的热点. (1)现在人类以化石燃料为主要能源,常见的化石燃料有:煤、 、天然气. (2)化石燃料的燃烧,会导致很多环境问题.去年我国大范围内出现了雾霾天气,PM2.5是造成这种天气的“元凶”之一.PM2.5是指大气中直径小于或等于2.5微米的颗粒物,也称可入肺颗粒物.下列行为能产生PM2.5的是 . A.将校园的垃圾堆积起来,就地焚烧 B.为方便出行,提倡大量购买和...
【单选题】运行下面程序,若输入 a<回车> sd<回车> in inc1 x=1 in inc1 x=1 in inc2 x=1 in inc2 x=2 in inc2 x=3 fg<回车>则输出结果为______。 #define N 6 #include <stdio.h> main() { char c[N]; int i=0; for(;i<N;c[i]=getchar(),i++); for(i=...