下述结论中，不正确的是（　　　　）。

【单选题】【消耗次数：1】

下述结论中，不正确的是（　　　　）。

① <img src=https://huaweicloudobs.ahjxjy.cn/157E3E12E2F14669DC20BB1CE68CE5E9.png title=QQ图片20160108175445.png alt=QQ图片20160108175445.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/155367366ADA41FA099252A25506FAA6.png title=QQ图片20160108175456.png alt=QQ图片20160108175456.png/><img src=https://huaweicloudobs.ahjxjy.cn/9E0B4B81DC8D775B9E78B42CE30799A1.png title=QQ图片20160108175505.png alt=QQ图片20160108175505.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/DCDF0B93CD28C5EEDE59DC4124597A9D.png title=QQ图片20160108175515.png alt=QQ图片20160108175515.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/823B60573C0FA58F2B5D4DF4C1CA10DB.png title=QQ图片20160108175525.png alt=QQ图片20160108175525.png/>

参考答案：

复制

纠错

相关题目

【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/A7680902CB99663BA6E23408C5C4ABFB.png title=QQ图片20160108111419.png alt=QQ图片20160108111419.png/><img src=https://huaweicloudobs.ahjxjy.cn/F7C836FE5C2376120035EBE3D8C699B9.png title=QQ图片20160108111439.png alt=QQ图片20160108111439.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/51A1F02268CD4EAF0D1BB4C81A2C8981.png title=QQ图片20160108111454.png alt=QQ图片20160108111454.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/FAF724DB88B6F9338819B0ACF799FC7E.png title=QQ图片20160108111507.png alt=QQ图片20160108111507.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/D6D9581D650D608E065C2881AE35D6A8.png title=QQ图片20160108111520.png alt=QQ图片20160108111520.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/F1950DBF13A5E2F6DF6D0A2E7B40036B.png title=QQ图片20160108111532.png alt=QQ图片20160108111532.png/>

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【单选题】设D是圆环<img src=https://huaweicloudobs.ahjxjy.cn/C1E9D12458DFD4A14CD3882562ECD317.png title=QQ图片20160224231208.png alt=QQ图片20160224231208.png/>，且<img src=https://huaweicloudobs.ahjxjy.cn/19CA4355701DCCA8E9BFC90709B1C2E6.png title=QQ图片20160224231228.png alt=QQ图片20160224231228.png/>则<img src=https://huaweicloudobs.ahjxjy.cn/D387AD7A8CB622BCD1F542C7C350B136.png title=QQ图片20160224231244.png alt=QQ图片20160224231244.png/>（）

① <img src=https://huaweicloudobs.ahjxjy.cn/9E7A64637000AEC0789E48D1E96AD66E.png title=QQ图片20160224231302.png alt=QQ图片20160224231302.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/AFF8BA7BECE58AC3901A521D7A606F30.png title=QQ图片20160224231314.png alt=QQ图片20160224231314.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/7E7DDA627E10663C0016B52FA149DC3A.png title=QQ图片20160224231331.png alt=QQ图片20160224231331.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/12F7546764221D5997C3F99846C7FF70.png title=QQ图片20160224231344.png alt=QQ图片20160224231344.png/>

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【单选题】设<img src=https://huaweicloudobs.ahjxjy.cn/EA6FB79FF8DF7A9F3A2D0CEB093C717F.png title=QQ图片20160224214006.png alt=QQ图片20160224214006.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>的偏导数存在，则<img src=https://huaweicloudobs.ahjxjy.cn/61AF63E59A60D6B49960C25A0B85414F.png title=QQ图片20160224214038.png alt=QQ图片20160224214038.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/588DCE737E539AFE5318232DBC0C8858.png title=QQ图片20160224214107.png alt=QQ图片20160224214107.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/1898B210FBB62DA4DA7997BB95A4D586.png title=QQ图片20160224214125.png alt=QQ图片20160224214125.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/C9D08ECB097A69F4F22594D120D687E7.png title=QQ图片20160224214140.png alt=QQ图片20160224214140.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/6101D759594C1C2892D8E9F8195520C5.png title=QQ图片20160224215328.png alt=QQ图片20160224215328.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/F22E424670D48EA8B00BF875A572F6D9.png title=QQ图片20160108102117.png alt=QQ图片20160108102117.png/><img src=https://huaweicloudobs.ahjxjy.cn/A7B8AB7EFE9A8EC7C2D83F83CE6AD874.png title=QQ图片20160108102145.png alt=QQ图片20160108102145.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/D1158E7E2A11A9F3FF830DEDCACFCE40.png title=QQ图片20160108102201.png alt=QQ图片20160108102201.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/5E167DEDAC45510EE9C136A2850BAEEB.png title=QQ图片20160108102216.png alt=QQ图片20160108102216.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/EAC49782558574996690E7E54E04DB82.png title=QQ图片20160108102237.png alt=QQ图片20160108102237.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/A97A1286364D01DF4D8429E6D441571A.png title=QQ图片20160108102252.png alt=QQ图片20160108102252.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/BB6602F8EBCDCBC4325AC6C2D402AC62.png title=QQ图片20160108172103.png alt=QQ图片20160108172103.png/><img src=https://huaweicloudobs.ahjxjy.cn/2185028B122EA820C3F12899EF40B3B5.png title=QQ图片20160108172114.png alt=QQ图片20160108172114.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/CC23C6DB5BA0BF66BBFFC2864C452A86.png title=QQ图片20160108172123.png alt=QQ图片20160108172123.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/EED4D03BD0C27BA6DF81137CB7AD483D.png title=QQ图片20160108172134.png alt=QQ图片20160108172134.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/161D2BDBBB638F1AEC50FA43244D2A9D.png title=QQ图片20160108172143.png alt=QQ图片20160108172143.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/3E2F5DB12481695A27D0760789A13712.png title=QQ图片20160108172158.png alt=QQ图片20160108172158.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/58A9B58285A400280F0C2E34C66C801A.png title=QQ图片20160108161818.png alt=QQ图片20160108161818.png/>（　　　　）。

① <img src=https://huaweicloudobs.ahjxjy.cn/7E933389C8E0FF10C6286E7A0762DCDC.png title=QQ图片20160108161826.png alt=QQ图片20160108161826.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/7791EAD7B10BF66A914F799269F46473.png title=QQ图片20160108161837.png alt=QQ图片20160108161837.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/C8357F23E069E99524E42255030E1025.png title=QQ图片20160108161845.png alt=QQ图片20160108161845.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/DD146190D5864B3CA8337F776ECD91C0.png title=QQ图片20160108161853.png alt=QQ图片20160108161853.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/56BDC0D59A0699903005B3D2E6060B98.png title=QQ图片20160108162428.png alt=QQ图片20160108162428.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/A0C4768A3FDB0AD9531B15E00E86D516.png title=QQ图片20160108162437.png alt=QQ图片20160108162437.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/289E84ADB4513D8039DA1BE85366AEA4.png title=QQ图片20160108162447.png alt=QQ图片20160108162447.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/11D9D5D2C4389C493557CA52FA43869B.png title=QQ图片20160108162456.png alt=QQ图片20160108162456.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/E0E9DA84C0BAFD0E6A50514231D18777.png title=QQ图片20160108162506.png alt=QQ图片20160108162506.png/>

查看完整题目与答案

【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/711964D1CA5D3A0F1C363FEDDE9F9E1D.png title=QQ图片20160108110719.png alt=QQ图片20160108110719.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/CD839C58CCD85FB44DF45818DB7297B8.png title=QQ图片20160108110831.png alt=QQ图片20160108110831.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/C7AB4B181E7BCF9BFDCDA87CAEB15A85.png title=QQ图片20160108110843.png alt=QQ图片20160108110843.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/027FD4F419E4F24843FC35AC624287EC.png title=QQ图片20160108110855.png alt=QQ图片20160108110855.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/32D0EDF27D20E603E4BE73C2A2CB5B4B.png title=QQ图片20160108110908.png alt=QQ图片20160108110908.png/>

查看完整题目与答案

【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/A68A65205B1BAC4AA46A3A1869250DE4.png title=QQ图片20160108173533.png alt=QQ图片20160108173533.png/><img src=https://huaweicloudobs.ahjxjy.cn/ECB1F19EE76FA760B58611FB08747D51.png title=QQ图片20160108173551.png alt=QQ图片20160108173551.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/B0C584185CD7111F0104DDB5782B8D2C.png title=QQ图片20160108173600.png alt=QQ图片20160108173600.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/B6D6FAC8C3C0C1861571BB4E5966B9D8.png title=QQ图片20160108173609.png alt=QQ图片20160108173609.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/8FAE17C37FE8A266EB216070F4BE6C1C.png title=QQ图片20160108173618.png alt=QQ图片20160108173618.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/18C0A0C884DA8DCF17CDC93926EB1090.png title=QQ图片20160108173627.png alt=QQ图片20160108173627.png/>

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【单选题】设<img src=https://huaweicloudobs.ahjxjy.cn/C2B945A48B09CACAEC9C03FFB92990C9.png title=QQ图片20160224135447.png alt=QQ图片20160224135447.png/>，则<img src=https://huaweicloudobs.ahjxjy.cn/7644EB64AED2EBF2A8A26C3DFD9845D0.png title=QQ图片20160224135614.png alt=QQ图片20160224135614.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/671DAD88C50990D12AAC921B430EDD50.png title=QQ图片20160224135703.png alt=QQ图片20160224135703.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/AFA01D88DB73274B34570B27E59FA317.png title=QQ图片20160224135735.png alt=QQ图片20160224135735.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/59D7ABE11EC3BFDC4862C827EEECDD92.png title=QQ图片20160224135809.png alt=QQ图片20160224135809.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/28E012AAED7E6EA58A29A6698EEA43F1.png title=QQ图片20160224135750.png alt=QQ图片20160224135750.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/E6F971FB23292AC5709EA0115127AB58.png title=QQ图片20160108154849.png alt=QQ图片20160108154849.png/><img src=https://huaweicloudobs.ahjxjy.cn/5CB2221C3D5876AD4ABC8F2B98D369AE.png title=QQ图片20160108154908.png alt=QQ图片20160108154908.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/9B3F683BB8BFB18660A35E24AD62557A.png title=QQ图片20160108154934.png alt=QQ图片20160108154934.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/A109FD62F164A97C17B9DFDBF40254CE.png title=QQ图片20160108154954.png alt=QQ图片20160108154954.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/0F3A702C9B959C5BA3AF810621C9AD06.png title=QQ图片20160108155039.png alt=QQ图片20160108155039.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/DEC11963ACB1713AA5E8D649B4C0BE8B.png title=QQ图片20160108155055.png alt=QQ图片20160108155055.png/>

查看完整题目与答案

随机题目

【单选题】 A: How soon will your parents fly to Beijing? B: [填空].

① At 8:00 am

② Yesterday

③ In three hours

④ Once a month

查看完整题目与答案

【单选题】 A: [填空] when you cross the street. Theres so much traffic. B: Yes, I will.

① Be careful

② Take care

③ Care about

④ Look out

查看完整题目与答案

【单选题】 A: Sorry to bother you. B: [填空].

① Thats okay

② No, you cant

③ Thats good

④ Dont mention it

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【单选题】 A: Must I take a train? B: No, you [填空]. You can take a plane.

① dont

② must not

③ dont have to

④ can not

查看完整题目与答案

【单选题】 A: Dont worry. Ill leave the message on his desk. B: [填空].

① Thats great

② Thats great idea

③ Thank goodness

④ Its kind of you

查看完整题目与答案

【单选题】 A: May I help you, madam? B: [填空].

① Thats very kind of you

② You are very nice

③ Youd better give me a hand

④ Yes, Id like a kilo of apples

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【单选题】 A: I didnt mean to do that. Please forgive me. B: [填空].

① You are wrong

② You are welcome

③ Thats all right

④ Thats OK

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【单选题】 A: How do you do? B: [填空]

① Fine, thank you.

② How do you do?

③ Not too bad.

④ Very well.

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【单选题】 A: [填空]? B: This is Franco Rossi speaking.

① Who are you

② Who are you calling

③ Who is that

④ What do you want to say

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【单选题】 A: Where there is a will, there is a way. B: [填空].

① Thats right

② Thats all right

③ All right

④ Not at all

查看完整题目与答案