环保土方作业

时间副词能做主语,比如then?Then began a series of wet days that spoiled our vacation.这句有人说是时间副词做主语，如果then 不是主语，前半句的主语是什么？ then和before作副词“以前”意思的时候,有什么区别如题 用C++编写程序：要求输入三个数字 例如1999 2008 1900 1.是否为合数（非素数） no yes yes 2.是否为非闰用C++编写程序：要求输入三个数字例如1999 2008 19001.是否为合数（非素数）no yes yes2.是否为非 在text1文本框中输入自然数的值在lobe12中显示出n的值是否为素数用yes或no表示?最好直白点解释 . will we have a picnic this Saturday It depends on whether it()or not on that day.A rains B rained C was raining D is raining many 为不定代词属于零冠词范畴,为什么会有many a person 这种说法. many和many a能作代词吗? The boy can not find his s_ after he gets up in the morning.（根据首字母填空） There is no set path ,Just follow your heart.出自哪里? 在英语里Tian,anmen Square不用加the而The Grate Wall就得加为什么?还有The pelace museum都要加!为什么? neither of them ___ my sisterA knowing B knowC to knowD known Did you e___ hear the story?单词天什么我的爸爸是计算机工作者，he often gets the information from the I ___Tom hurt himselfe badly,and he could h____ move 谁知道关于拿破仑骄傲的例子 意大利人为什么感谢拿破仑 He was the right man to marry Jane和He is the right man to marry Jane有什么区别? to,you,go,the,Tian'an Men Square,can.连词组句 adversity leads to prosperity该怎么解释?求完整解释,为什么要翻译成穷则思变 晋察冀指什么地方 晋察冀各指什么地方?注意后面那句话 孔雀东南飞中的箜篌是什么乐器拨弦乐器,和击弦乐器之中选其一, 孔雀东南飞里“箜篌”是什么乐器 孔雀东南飞里面的箜篌是一种什么乐器 晋察冀指的是哪三个地区 晋察冀指的是什么地方 晋察冀指的是哪三个省? 为什么和Dutch荷兰人相关的短语都有不好的意思? 与dutch有关短语及其意思, 为什么英语里含有Dutch(荷兰的)的短语,差不多都是贬义的呢? Who were considered to be the ancestors of Chinese Han People. Four Chinese models were among the 14 people awarded prizes on Friday at the world supermodel competition求翻译 It isn’t.I’m always hungry.this says,“A healthy man or woman didn’t need much .” Joe and his brother collect lots of stamps 改为同义句