1.单选题- (共2题)
2.选择题- (共16题)
4.在一定温度和压强下,将一容积15mL的试管充满NO2后,倒置于一个盛水的水槽中。当试管内液面上升至一定高度不再变化时,在相同条件下再通入O2,若要使试管内液面仍保持在原高度,则应通入O2体积为( )
5.在一定温度和压强下,将一容积15mL的试管充满NO2后,倒置于一个盛水的水槽中。当试管内液面上升至一定高度不再变化时,在相同条件下再通入O2,若要使试管内液面仍保持在原高度,则应通入O2体积为( )
6.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
7.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
8.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
9.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
10.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
11.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.
3.填空题- (共2题)
4.解答题- (共5题)
24.
已知一几何体的三视图如图(甲)示.(三视图中已经给出各投影面顶点的标记)

(1)在已给出的一个面上(图乙),画出该几何体的直观图;
(2)设点F、H、G分别为
的中点,求证:
平面
;
(3)求该几何体的体积.

(1)在已给出的一个面上(图乙),画出该几何体的直观图;
(2)设点F、H、G分别为



(3)求该几何体的体积.
试卷分析
-
【1】题量占比
单选题:(2道)
选择题:(16道)
填空题:(2道)
解答题:(5道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:0
9星难题:9