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Five months have passed (1) ______ I spoke to the British nation and Empire on the broadcast. In war time there is a lot to be said for the motto “Deeds, (2) ______ Words.” All the same, it is a good thing to look around from time to time and take stock. And certainly our affairs have prospered (3) ______ several directions during these last four or five months far better than most of us would have ventured to hope. We stood our ground and faced the two dictators in the hour of what seemed their overwhelming triumph and we have shown ourselves capable, so far, of standing up (4) ______ them alone. (5) ______ the heavy defeat of the German Air Force by our fighters in August and September, Hitler did not dare attempt the invasion of this island, although he had every need to do (6) ______ and although he had made vast preparations. Baffled in this grandiose project, he sought to break the spirit of the British nation by the bombing, first of London and afterward (7) ______ our great cities. It has now been proved (8) ______ the admiration of the world and of our friends in the United States that this form of blackmail and murder and terrorism, so far from weakening the spirit of the (9) ______ nation, has only roused it to a more intense and universal flame than was ever seen (10) ______ in any modern community.
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【简答题】在平面直角坐标系xOy中,半径为2的圆的圆心从原点O连续地向右平移到点A(1,0),在这过程中,圆面内(含边界)包含的整点(横、纵坐标都是整数的点)的个数不可能是( ). (A)6. (B)7. (C)8. (D)9.
【简答题】如图,正方形网格中,每个小正方形的边长为1个单位,以O为原点建立平面直角坐标系,圆心为A(3,0)的⊙A被y轴截得的弦长BC=8. 解答下列问题: (1)求⊙A的半径; (2)请在图中将⊙A先向上平移6个单位,再向左平移8个单位得到⊙D,并写出圆心D的坐标; (3)观察你所画的图形,对⊙D与⊙A的位置关系作出合情的猜想,并直接写出你的结论. 聪明的小伙伴,你完成整张试卷全部试题的解答后,如果还有时...
【简答题】基本预备费的计算基数有( )
【单选题】PLC 的应用领域主要包含开关量逻辑控制、顺序控制、( )、定时、计数控制、 数据处理、信号联锁系统、通信联网。
A.
模糊控制
B.
模拟量控制
C.
延时控制
D.
计数控制
【单选题】关于可变资本,说法错误的是( )
A.
购买劳动力的资本
B.
购买生产资料的资本
C.
带来剩余价值的资本
D.
价值量发生变化的资本
【简答题】如图,在直角坐标平面中,O为原点,A(0,6),B(8,0)。点P从点A出发,以每秒2个单位长度的速度沿射线AO方向运动,点Q从点B出发,以每秒一个单位长度的速度沿x轴正方向运动,P,Q两动点同时出发,设移动时间为t(t>0)秒. (1)在点P,Q的运动过程中,当点P在AO的延长线上时,若△POQ与△AOB相似,求t的值; (2)如图2,当直线PQ与线段AB交于点M,且 时,求直线PQ的解析式; ...
【多选题】属于计算基本预备费基数的有( )。
A.
建筑工程费
B.
设备及工器具购置费
C.
安装工程费
D.
工程建设其他费用
E.
建设期利息
【单选题】女孩,13岁,因水肿3日,剧烈头痛,呕吐2天入院。2周前曾发热,咽痛。查体:P110次/分,BP170/120mmHg,双肺无异常,Hb110g/L。尿常规:蛋白(++),RBC30-50/HP,尿比重1.020,血尿素氮9.4mmol/L。最可能的诊断是( )
A.
急性肾小球肾炎并严重循环充血
B.
急性肾小球肾炎并高血压脑病
C.
急进性肾小球肾炎
D.
急性肾小球肾炎
E.
急性肾小球肾炎并急性肾功能不全
【简答题】如图,在平面直角坐标系中,点 O 是坐标原点,四边形 AOCB 是梯形, AB ∥ OC ,点 A 的坐标为(0,8),点 C 的坐标为(10,0), OB = OC .点 P 从 C 点出发,沿线段 CO 以5个单位/秒的速度向终点 O 匀速运动,过点 P 作 PH ⊥ OB ,垂足为 H . (1)求点 B 的坐标; (2)设△ HBP 的面积为 S ( S ≠0),点 P 的运动时间为 t ...
【多选题】基本预备费的计算基数有
A.
建筑工程费
B.
安装工程费
C.
工器具及生产家具购置费
D.
设备购置费
E.
建设期贷款利息
F.
价差预备费
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