Task 2
|
In 1813 rumors of a threatened invasion of Washington had circulated widely. But no attack materialized, so military preparedness ceased. By 1814 the defensive system for Washington was nonexistent except for a few troops near the city and a weak naval force. Month after month Congress had voted down resolutions to place the capital in a defensive posture, while the secretary of war kept concentrated on his invasion of Canada. The best plan for defense came from the cabinet in July, when it proposed to defend Washington with an army of volunteers from all the states. The result was inadequate at best. Some of the men that reported for duty were told to go home and get better shoes and to bring back a butcher knife if they could not get a musket. On August i8, news reached the capital that a British fleet had s A. August 24th, 1814 was remembered as the one of the darkest days. B. Some top officers were not willing to be prepared against the war. C. The city was indefensible at the time. D. Winder was unqualified for the defense of the city. [单选题]提速道岔上长度(不含钉帽的全长)为142mm 的销钉( )。
A.用于钢枕滑床板 B.用于转辙器滑床板 C.用于护轨垫板 D.可以通用 [单选题]关于巨噬细胞，正确的是：( ) 较难
A.胞质有大量组胺 B.不参与调节免疫应答 C.细胞呈圆形 D.无细胞免疫功能 E.能合成白细胞介素Ⅰ [判断题]对黑猩猩的学习进行成功的研究并取得重大成果的格式塔心理学家是苛勒。
[填空题]It is required that every student (arrive)（）at school before 8:00 a.m.
[单选题]某企业拟采用新的信用条件“2/10，1/20，n/90”，预计销售收入为5400万元，预计将有30%的货款于第10天收到，20%的货款于第20天收到，其余50%的货款于第90天收到（前两部分货款不会产生坏账，后一部分货款的坏账损失率为该部分货款的4%），收账费用为40万元，管理成本为10万元。预计销售利润率为20%（未扣除以下成本费用前的税前利润/销售收入），有价证券利息率为8%。一年按360天计算，假设不考虑变动成本率，则该企业采纳新的政策后给企业带来的利润为（ ）万元。
A.866.4 B.859.6 C.725.6 D.816.4 我来回答: 提交
|
