过点[img=81x25]1802fe709ed87ad.png[/img]且与直线[img=175x51]1802fe70a8ed1a1.png[/img]平行的直线的方程为( ).
A: [img=125x71]1802fe70b455995.png[/img]
B: [img=157x44]1802fe70bcd3866.png[/img]
C: [img=164x51]1802fe70c5d52fd.png[/img]
D: [img=148x51]1802fe70d0b4887.png[/img]
A: [img=125x71]1802fe70b455995.png[/img]
B: [img=157x44]1802fe70bcd3866.png[/img]
C: [img=164x51]1802fe70c5d52fd.png[/img]
D: [img=148x51]1802fe70d0b4887.png[/img]
举一反三
- 过点[img=81x25]1803d45920c7c79.png[/img]且与直线[img=175x51]1803d4592bbe2a2.png[/img]平行的直线的方程为( ). A: [img=125x71]1803d459381137c.png[/img] B: [img=157x44]1803d45943723d5.png[/img] C: [img=164x51]1803d4594eac9fc.png[/img] D: [img=148x51]1803d459595d733.png[/img]
- 过点[img=81x25]1803a28aa328177.png[/img]且与直线[img=175x51]1803a28aad6c45d.png[/img]平行的直线的方程为( ). A: [img=125x71]1803a28ab89364c.png[/img] B: [img=157x44]1803a28ac1738ef.png[/img] C: [img=164x51]1803a28accd32d8.png[/img] D: [img=148x51]1803a28ad73d445.png[/img]
- 过点[img=81x25]1802fe709ed87ad.png[/img]且与直线[img=175x51]1802fe70a8ed1a1.png[/img]平行的直线的方程为( ). 未知类型:{'options': ['', '', '', ''], 'type': 102}
- 用强度为I,波长为[img=27x24]1802e3021e829f1.png[/img]的X射线(伦琴射线)分别照射锂Li(Z = 3)和铁Fe(Z = 26).若在同一散射角下测得康普顿散射的X射线波长分别为[img=27x24]1802e3021e829f1.png[/img]Li和[img=27x24]1802e3021e829f1.png[/img]Fe([img=27x24]1802e3021e829f1.png[/img]Li,[img=27x24]1802e3021e829f1.png[/img]Fe>[img=27x24]1802e3021e829f1.png[/img]),它们对应的强度分别为[img=27x24]1802e3021e829f1.png[/img]Li和[img=27x24]1802e3021e829f1.png[/img]Fe,则 A: [img=177x37]1802e30262d047c.png[/img] B: [img=173x32]1802e3026b65037.png[/img] C: [img=175x34]1802e3027495042.png[/img] D: [img=175x34]1802e3027d0b84c.png[/img]
- 原电池(-)Pt︱Fe[img=17x22]1803dd54de61136.png[/img](1 mol·L[img=17x22]1803dd54e7299c0.png[/img]),Fe[img=17x22]1803dd54f0030fb.png[/img](1 mol·L[img=17x22]1803dd54fa39c0d.png[/img])‖Ce[img=17x22]1803dd5502f9d6b.png[/img]( mol·L[img=17x22]1803dd550b82a7d.png[/img]) ,Ce[img=17x22]1803dd55130efd2.png[/img]( mol·L[img=17x22]1803dd551af174c.png[/img]) ︱Pt(+)的电池反应是( )。 A: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] B: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] C: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] D: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img]