1.单选题- (共5题)
2.选择题- (共7题)
8.
— You were out when I dropped in at your house.
— Oh, I _______ for a friend from England at the airport.
— You were out when I dropped in at your house.
— Oh, I _______ for a friend from England at the airport.
3.填空题- (共2题)
4.解答题- (共3题)
15.
如图,直四棱柱ABCD﹣A1B1C1D1中,底面ABCD是∠DAB=60°的菱形,AA1=4,AB=2,点E在棱CC1上,点F是棱C1D1的中点;
(Ⅰ)若E是CC1的中点,求证:EF∥平面A1BD;
(Ⅱ)求出CE的长度,使得A1﹣BD﹣E为直二面角.
(Ⅰ)若E是CC1的中点,求证:EF∥平面A1BD;
(Ⅱ)求出CE的长度,使得A1﹣BD﹣E为直二面角.

试卷分析
-
【1】题量占比
单选题:(5道)
选择题:(7道)
填空题:(2道)
解答题:(3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:10