【判断题】【消耗次数：1】
经过长期努力，中国特色社会主义进入了新时代，这是我国发展新的历史方位。( )
①
正确
②
错误
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
下列微分方程中是线性方程的是（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/538DC78DFD1EF553D74C41A4131824E3.png title=TZCU`(NG15E0O25O8YRK%{Q.png alt=TZCU`(NG15E0O25O8YRK%{Q.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/21422698CF0F55B4934382411DFF99D3.png title=2@I}([~4E@B}CAY_`(TJ(FT.png alt=2@I}([~4E@B}CAY_`(TJ(FT.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/56F50984A5BF03CD41E8E32733242830.png title=BBFNI(E$6Y9F`XB}TJ){(_O.png alt=BBFNI(E$6Y9F`XB}TJ){(_O.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/08350B5CFE2057C6699FB3C059382905.png title=G$JRDI}P@[E~JTF{E40G$]5.png alt=G$JRDI}P@[E~JTF{E40G$]5.png/>
【单选题】
微分方程<img src=https://huaweicloudobs.ahjxjy.cn/12225FB1DC37B2F2F1CB9F927DF3A25B.png title=(99YYCW[XI`6{1TSUD%DBL9.png alt=(99YYCW[XI`6{1TSUD%DBL9.png/>的通解<img src=https://huaweicloudobs.ahjxjy.cn/ED13234A1B91AA11BDCDE67E3DDBFBE9.png title=H{J]{KN}]5Q{SVAUQXA$7SG.png alt=H{J]{KN}]5Q{SVAUQXA$7SG.png/>为（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/C3B965C2336B8EAC06A6286A3C81BD21.png title=~~[MS9DZ)7O%Z9OL0J~2I7T.png alt=~~[MS9DZ)7O%Z9OL0J~2I7T.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2378775CBFE769FCF1D4B4E57AE2434C.png title=N1(D]5I7Q(J4%%JO2P3{[`N.png alt=N1(D]5I7Q(J4%%JO2P3{[`N.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/2BCF30648B51450288CD3D731FD96352.png title=Y{CDVS4E)REOL[8`O(9F1XY.png alt=Y{CDVS4E)REOL[8`O(9F1XY.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/B445CDACE8238F3AA4710AB449E88CA1.png title=ZPHQ6AK$6_A403]}[[4S6EE.png alt=ZPHQ6AK$6_A403]}[[4S6EE.png/>
【单选题】
下列方程中为常微分方程的是（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/76EE3344F4B3F0A400C563E1B75A05C5.png title=[SEKXVFY5BOH_UDV{CX8M[1.png alt=[SEKXVFY5BOH_UDV{CX8M[1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/D2DA254C17523F281086022731C2A350.png title=DSX_H$AY$PVE[]DGSEMDT92.png alt=DSX_H$AY$PVE[]DGSEMDT92.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/772A07E0D831407BCCD6B1F9D797AB76.png title=]}7)$G$DUS1LB24{_(9`R@X.png alt=]}7)$G$DUS1LB24{_(9`R@X.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/46E6359E976B296C22C90C2B12285D14.png title=OH~JT`{B9@%]}CGWWIST`RK.png alt=OH~JT`{B9@%]}CGWWIST`RK.png/>
【单选题】
设二阶线性非齐次方程<img src=https://huaweicloudobs.ahjxjy.cn/BF80E75DC88661040CEB417E72A89625.png title=QQ图片20160224221516.png alt=QQ图片20160224221516.png/>有三个特解<img src=https://huaweicloudobs.ahjxjy.cn/30ADB8C932A284BCD6D6FD43634CD976.png title=QQ图片20160224222755.png alt=QQ图片20160224222755.png/>，则则其通解为（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/79BDF54DD0737592B3A67EA72A440242.png title=QQ图片20160224222917.png alt=QQ图片20160224222917.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2805ACB453C0781F902D9FA252A1D5FD.png title=QQ图片20160224222932.png alt=QQ图片20160224222932.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B6BB60DE9AB98BB12B14907339048EC1.png title=QQ图片20160224222949.png alt=QQ图片20160224222949.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/33E1A495886946BD8344FAA0C92C665A.png title=QQ图片20160224223005.png alt=QQ图片20160224223005.png/>
【单选题】
已知<img src=https://huaweicloudobs.ahjxjy.cn/250171269DE1EAEA9FE59DEE8BFE33BA.png title=Z8AQFF}MI1N9$@ISTBVL[_6.png alt=Z8AQFF}MI1N9$@ISTBVL[_6.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E02D89F335D5B0BEDBCB24A25DDEF177.png title=%1PYP~8`A`P2XO0XL}Q98%2.png alt=%1PYP~8`A`P2XO0XL}Q98%2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/69D80B472379AEA95C4AA497F0F03B9D.png title=_U~~]((YV3SG%(XE9LBJ$MJ.png alt=_U~~]((YV3SG%(XE9LBJ$MJ.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B6855BA4D3D31E726705276A1F134D16.png title=K)K9(18JZEU0Y67$C9433KA.png alt=K)K9(18JZEU0Y67$C9433KA.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/CA8375B4374044476851055918F47A75.png title=VTDX~]OQE%W4HDMGX1J20%F.png alt=VTDX~]OQE%W4HDMGX1J20%F.png/>
【单选题】
微分方程<img src=https://huaweicloudobs.ahjxjy.cn/C94D3495D48259784DE3D021F80766D2.png title=[}J)X)RXY{5G]$SR92V{~[G.png alt=[}J)X)RXY{5G]$SR92V{~[G.png/>的通解是（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/6D2E567D873A9E56772FDB73652E0419.png title=0[O3[E8TEZBI7KJLZ_34$8M.png alt=0[O3[E8TEZBI7KJLZ_34$8M.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/95D3C4AF333F1CCBCB7E76264A2450E8.png title=B@AW9_)F9N$_N`K)IE{F701.png alt=B@AW9_)F9N$_N`K)IE{F701.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A5C200611195CF46B992EEF063260153.png title=OC__]UL{QA595)B_G0_4GMU.png alt=OC__]UL{QA595)B_G0_4GMU.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/382FCD2314997A0B4A709F5998C0BCF9.png title=SSR13SY0BU5V_%{{HKJ_TK2.png alt=SSR13SY0BU5V_%{{HKJ_TK2.png/>
【单选题】
下列方程是常微分方程的是（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/12103E9126D544E14AC06D83ABC68690.png title=8OTBW[X7@Q2WKDTH~DCD}9O.png alt=8OTBW[X7@Q2WKDTH~DCD}9O.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/96B6A202D02AB5BCE0940018BC088804.png title=36NGOZUQ_5A%T09%QOS5()O.png alt=36NGOZUQ_5A%T09%QOS5()O.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/9EF7820B824292764655EE85700A8457.png title=A@_2{TI1KUV(H$~Z4TLTZ_D.png alt=A@_2{TI1KUV(H$~Z4TLTZ_D.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/2A61ADB4A3D244026070805B5774D53B.png title=GJW{S0BSV3D0}8)QK0BIQUJ.png alt=GJW{S0BSV3D0}8)QK0BIQUJ.png/>
【单选题】
下列式子正确的是（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/4BADA9188E0800A6071256FD3CF4B87C.png title=G_E)XX()FRFO[K)V0C)L}27.png alt=G_E)XX()FRFO[K)V0C)L}27.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/6EA3577A3914309208EEFDD931DC21F0.png title=VVTA5~AIZ88M7{B34{FGGA5.png alt=VVTA5~AIZ88M7{B34{FGGA5.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/12AF42423433AAA2BF9802CF067D4953.png title=Y}3{$%)KY5PLL[RWEW}6}BG.png alt=Y}3{$%)KY5PLL[RWEW}6}BG.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/D29CDF5E3F405EFD3C428BD94153D9D4.png title=Z}4HW[Q7IZI}E73NP0R(PNV.png alt=Z}4HW[Q7IZI}E73NP0R(PNV.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/FAB9F3D6009041EBF2BE4E993BD76874.png title=PLNOODIH}S[)_AA_IQ4DZSC.png alt=PLNOODIH}S[)_AA_IQ4DZSC.png/>，则（ ）
①
极限<img src=https://huaweicloudobs.ahjxjy.cn/04AF0E066B591CABCB335C8E59320903.png title=YRG}S@6LLR4Z3`TG]}[EF~4.png alt=YRG}S@6LLR4Z3`TG]}[EF~4.png/>存在，但<img src=https://huaweicloudobs.ahjxjy.cn/9007335C5254C4CCDA91C4AB67763D4E.png title=}I]2MM~D7U7)6P]_13(XI`4.png alt=}I]2MM~D7U7)6P]_13(XI`4.png/>在点<img src=https://huaweicloudobs.ahjxjy.cn/EF89E2B8AEB141D513A62FDD7D532AF7.png title=`PFC92T0)C1A[@0Z@0TG@MN.png alt=`PFC92T0)C1A[@0Z@0TG@MN.png/>处不连续
②
极限<img src=https://huaweicloudobs.ahjxjy.cn/04AF0E066B591CABCB335C8E59320903.png title=YRG}S@6LLR4Z3`TG]}[EF~4.png alt=YRG}S@6LLR4Z3`TG]}[EF~4.png/>存在，且<img src=https://huaweicloudobs.ahjxjy.cn/9007335C5254C4CCDA91C4AB67763D4E.png title=}I]2MM~D7U7)6P]_13(XI`4.png alt=}I]2MM~D7U7)6P]_13(XI`4.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/EF89E2B8AEB141D513A62FDD7D532AF7.png title=`PFC92T0)C1A[@0Z@0TG@MN.png alt=`PFC92T0)C1A[@0Z@0TG@MN.png/>处连续
③
极限<img src=https://huaweicloudobs.ahjxjy.cn/04AF0E066B591CABCB335C8E59320903.png title=YRG}S@6LLR4Z3`TG]}[EF~4.png alt=YRG}S@6LLR4Z3`TG]}[EF~4.png/>不存在，但<img src=https://huaweicloudobs.ahjxjy.cn/9007335C5254C4CCDA91C4AB67763D4E.png title=}I]2MM~D7U7)6P]_13(XI`4.png alt=}I]2MM~D7U7)6P]_13(XI`4.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/EF89E2B8AEB141D513A62FDD7D532AF7.png title=`PFC92T0)C1A[@0Z@0TG@MN.png alt=`PFC92T0)C1A[@0Z@0TG@MN.png/>不连续
④
极限<img src=https://huaweicloudobs.ahjxjy.cn/04AF0E066B591CABCB335C8E59320903.png title=YRG}S@6LLR4Z3`TG]}[EF~4.png alt=YRG}S@6LLR4Z3`TG]}[EF~4.png/>不存在，但<img src=https://huaweicloudobs.ahjxjy.cn/9007335C5254C4CCDA91C4AB67763D4E.png title=}I]2MM~D7U7)6P]_13(XI`4.png alt=}I]2MM~D7U7)6P]_13(XI`4.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/EF89E2B8AEB141D513A62FDD7D532AF7.png title=`PFC92T0)C1A[@0Z@0TG@MN.png alt=`PFC92T0)C1A[@0Z@0TG@MN.png/>处连续
【单选题】
二元函数<img src=https://huaweicloudobs.ahjxjy.cn/3B4502C5C5DFF2F6242ABF3CB84260B2.png title=]XK95M8]_U7H5QN_RXG%C8R.png alt=]XK95M8]_U7H5QN_RXG%C8R.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C9AEE107ECF19732E45761119CBA141F.png title=4LTY~D@QL16QR3)]3ESX96U.png alt=4LTY~D@QL16QR3)]3ESX96U.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/5F2FD6F9D14C2F7DE491F07C1343F256.png title=6$4U96KJW`10WH][1BO}C)0.png alt=6$4U96KJW`10WH][1BO}C)0.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/DAEDF46C28A86A7851D2919E7C3A2A0F.png title=CHANV){}PQPJYW~$J3O77MD.png alt=CHANV){}PQPJYW~$J3O77MD.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/715D1E66A9E44F684956EDF7CD8E0BE2.png title=S2R@H%XAW@RV`MK7D]PUM41.png alt=S2R@H%XAW@RV`MK7D]PUM41.png/>