【单选题】在文克勒弹性地基分析中,划分有限长梁是依据下列哪种指标确定的:
【单选题】某初中教师李某上课前发现部分学生未完成家庭作业,要求这部分学生完成后再进教师听课。李某的做法( 2017上半年真题 )。
【单选题】以下关于定额的说法中错误的是[填空(1)]
A.
定额是计划经济的产物,随着市场经济体制的建立,它将逐步走向消亡
【简答题】防治鸡组织滴虫的根本措施是()A. 驱除鸡异刺线虫
【单选题】According to an American author, if one is born into poverty in the United States, it is even more difficult for him or her to get out of poverty than in some European countries.