1.单选题- (共11题)
7.
一个四棱锥和一个三棱锥恰好可以拼接成一个三棱柱.这个四棱锥的底面为正方形,且底面边长与各侧棱长相等,这个三棱锥的底面边长与各侧棱长也都相等. 设四棱锥、三棱锥、三棱柱的高分别为
,则


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C.![]() ![]() | D.![]() ![]() |
9.
甲、乙、丙三名射箭运动员在某次测试中各射箭20次,三人的测试成绩如下表
、
、
分别表示甲、乙、丙三名运动员这次测试成绩的标准差,则有
甲的成绩 | | 乙的成绩 | | 丙的成绩 | ||||||||||||
环数 | 7 | 8 | 9 | 10 | 环数 | 7 | 8 | 9 | 10 | 环数 | 7 | 8 | 9 | 10 | ||
频数 | 5 | 5 | 5 | 5 | 频数 | 6 | 4 | 4 | 6 | 频数 | 4 | 6 | 6 | 4 |



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C.![]() | D.![]() |
2.选择题- (共8题)
14.
The aged prime minister said to the soldiers ______ in the rescue scene,"it is the people who feed you; now you should know what to do."
The aged prime minister said to the soldiers ______ in the rescue scene,"it is the people who feed you; now you should know what to do."
18.
Those who are ______ the proposal are expected to discuss it in detail after the meeting.
Those who are ______ the proposal are expected to discuss it in detail after the meeting.
3.填空题- (共2题)
4.解答题- (共2题)
试卷分析
-
【1】题量占比
单选题:(11道)
选择题:(8道)
填空题:(2道)
解答题:(2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:15