题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150232-93510.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150232-89534.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150232-19197.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150232-20771.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150233-36336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150233-60298.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150233-15714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150233-74929.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150233-29378.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150234-86649.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150235-80686.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150235-37480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150235-19948.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150236-97668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150236-21676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150236-49256.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150236-94360.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150236-21676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150237-95210.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150237-49446.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150235-37480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150237-50376.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150237-14644.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150238-22317.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150238-16051.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150238-69105.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150239-82973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150239-91325.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150239-71538.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150239-76484.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150239-80859.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150240-80736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150240-87255.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150240-17196.png)
故选A.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150108-12005.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150108-22740.png)
A.没有零点 | B.有且仅有![]() |
C.有且仅有![]() | D.有且仅有![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150045-19120.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150045-58267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150034-53332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150034-55794.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150034-72420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150035-78489.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150035-85060.png)
(Ⅰ)求这种切割、焊接而成的长方体的最大容积
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150005-88196.png)
(Ⅱ)请问:能重新设计,使所得长方体的容器的容积
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204150005-46743.png)
①函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145823-92143.png)
②函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145823-23709.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145823-92113.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145823-19570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145824-44400.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145824-59885.png)
最小距离是
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145824-88654.png)
③命题“函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145824-52276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145825-61443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145825-99332.png)
④函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145825-37511.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145826-98382.png)
⑤已知等差数列
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145826-14278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145826-14530.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145826-50273.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145826-87060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145827-36507.png)
若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145827-98932.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204145827-65857.png)
最新试题
- 1在电器中,利用静电的吸附作用进行工作的是( )A.电话机B.复印机C.电冰箱D.电饭煲
- 2截至2009年5月底,我国持有的美国国债为8005亿美元。在2009年5月27日至28日的首轮中美战略与经济对话中,国务
- 3已知函数f(x)=x3+x-16.(1)求曲线y=f(x)在点(2,-6)处的切线方程.(2)如果曲线y=f(x)的某一
- 4下列史实,标志着我国世袭制代替禅让制的是[ ]A.尧传位于舜B.舜传位于禹C.禹传子,家天下D.启打败有扈氏
- 5—What’s wrong with our VCD?—I don’t know. Let’s have it
- 6已知P是抛物线y2=4x上一动点,F是抛物线的焦点,定点A(4,1),则|PA|+|PF|的最小值为( )A.5B.2
- 7西双版纳的热带季风气候区的植被类型为________。
- 8生态系统具有自动调节能力,因此生态系统总能保持相对的稳定。 ( )
- 9“西气东输”工程使我市部分区域用上天然气,天然气的主要成分是甲烷(CH4)。甲烷是一种无色、无味的气体,密度比空气小。(
- 10如图,是用绳子从水中提升重物的情景。若已知物体的质量为250kg、体积为0.1m3,g取10N/kg。求:(1)物体的重
热门考点
- 1If you ____ any problems when you arrive at the airport, giv
- 2下列动物中有“活化石”之美誉的是( )A.扬子鳄B.大熊猫C.丹顶鹤D.白暨豚
- 3如图,线段BC是线段AD经过向右平移3格,再向上平移______格得到的.
- 4阅读下面这首诗北斋雨后 [宋] 文同小庭幽圃绝清佳,爱此常教放吏衙。雨后双禽来占竹,秋深一蝶下寻花。唤人扫壁开吴画,留客
- 5英汉互译1. photo album2. 与……交友3. the best gift you have received
- 6某元素R具有微弱放射性,其原子核内中子数比质子数多43。由它组成的固体单质A,在一定条件下密度为6.88g/cm3。用X
- 7图中数字表示大气受热过程,字母表示水循环的环节。读图回答下列问题。(1)简述甲处地貌的形成过程。(2分)地面反射率是指地
- 811月13日,以“博览红色经典,相约绿色家园”为主题的2009·中国(江西)红色旅游博览会在南昌拉开帷幕。发展红色旅游有
- 9【题文】如图为气候类型分布模式图,图中左侧是某季节影响气候形成的气压带风带位置示意图。据此回答问题。(每空2分,共14分
- 10_____ he can pass the entrance examination is quite uncertai