A、<font face="宋体, MS Song"><IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/11b27c00-188c-4db3-8801-1f0fe503dc3b.jpg"title="ex_1288361870499_0.jpg" alt="ex_1288361870499_0.jpg"/> <stroke joinstyle="miter" /></font><formulas /><f eqn="if lineDrawn pixelLineWidth 0" /><f eqn="sum @0 1 0" /><f eqn="sum 0 0 @1" /><f eqn="prod @2 1 2" /><f eqn="prod @3 21600 pixelWidth" /><f eqn="prod @3 21600 pixelHeight" /><f eqn="sum @0 0 1" /><f eqn="prod @6 1 2" /><f eqn="prod @7 21600 pixelWidth" /><f eqn="sum @8 21600 0" /><f eqn="prod @7 21600 pixelHeight" /><f eqn="sum @10 21600 0" /><path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect" /><lock v:ext="edit" aspectratio="t" /><shape style="Z-INDEX: 1; POSITION: absolute; TEXT-ALIGN: left; MARGIN-TOP: 132.35pt; WIDTH: 1in; HEIGHT: 62.05pt; MARGIN-LEFT: 73.5pt; LEFT: 0px" id="_x0000_s1032" type="#_x0000_t75" /><imagedata src="file:///C:\\DOCUME~1\\chunmao\\LOCALS~1\\Temp\\msohtml1\\01\\clip_image001.wmz" /><wrap type="square" side="right" />
B、<font face="宋体, MS Song"><IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/ed425874-70d1-4817-8969-7f65302fb2fe.jpg"title="ex_1288361880601_0.jpg" alt="ex_1288361880601_0.jpg"/> <stroke joinstyle="miter" /></font><formulas /><f eqn="if lineDrawn pixelLineWidth 0" /><f eqn="sum @0 1 0" /><f eqn="sum 0 0 @1" /><f eqn="prod @2 1 2" /><f eqn="prod @3 21600 pixelWidth" /><f eqn="prod @3 21600 pixelHeight" /><f eqn="sum @0 0 1" /><f eqn="prod @6 1 2" /><f eqn="prod @7 21600 pixelWidth" /><f eqn="sum @8 21600 0" /><f eqn="prod @7 21600 pixelHeight" /><f eqn="sum @10 21600 0" /><path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect" /><lock v:ext="edit" aspectratio="t" /><shape style="Z-INDEX: 1; POSITION: absolute; TEXT-ALIGN: left; MARGIN-TOP: 125.3pt; WIDTH: 81pt; HEIGHT: 69.65pt; MARGIN-LEFT: 163.5pt; LEFT: 0px" id="_x0000_s1033" type="#_x0000_t75" /><imagedata src="file:///C:\\DOCUME~1\\chunmao\\LOCALS~1\\Temp\\msohtml1\\01\\clip_image001.wmz" /><wrap type="square" side="right" />
C、<font face="宋体, MS Song"><IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/742463d7-9e0e-4bd6-8886-7ca1b29c91f5.jpg"title="ex_1288361888123_0.jpg" alt="ex_1288361888123_0.jpg"/> <stroke joinstyle="miter" /></font><formulas /><f eqn="if lineDrawn pixelLineWidth 0" /><f eqn="sum @0 1 0" /><f eqn="sum 0 0 @1" /><f eqn="prod @2 1 2" /><f eqn="prod @3 21600 pixelWidth" /><f eqn="prod @3 21600 pixelHeight" /><f eqn="sum @0 0 1" /><f eqn="prod @6 1 2" /><f eqn="prod @7 21600 pixelWidth" /><f eqn="sum @8 21600 0" /><f eqn="prod @7 21600 pixelHeight" /><f eqn="sum @10 21600 0" /><path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect" /><lock v:ext="edit" aspectratio="t" /><shape style="Z-INDEX: 1; POSITION: absolute; TEXT-ALIGN: left; MARGIN-TOP: 133.1pt; WIDTH: 71.85pt; HEIGHT: 64.05pt; MARGIN-LEFT: 262.5pt; LEFT: 0px" id="_x0000_s1034" type="#_x0000_t75" /><imagedata src="file:///C:\\DOCUME~1\\chunmao\\LOCALS~1\\Temp\\msohtml1\\01\\clip_image001.wmz" /><wrap type="square" side="right" />
D、<font face="宋体, MS Song"><IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/ec77be27-4c37-4423-a40b-f14ae6837028.jpg"title="ex_1288361897599_0.jpg" alt="ex_1288361897599_0.jpg"/> <stroke joinstyle="miter" /></font><formulas /><f eqn="if lineDrawn pixelLineWidth 0" /><f eqn="sum @0 1 0" /><f eqn="sum 0 0 @1" /><f eqn="prod @2 1 2" /><f eqn="prod @3 21600 pixelWidth" /><f eqn="prod @3 21600 pixelHeight" /><f eqn="sum @0 0 1" /><f eqn="prod @6 1 2" /><f eqn="prod @7 21600 pixelWidth" /><f eqn="sum @8 21600 0" /><f eqn="prod @7 21600 pixelHeight" /><f eqn="sum @10 21600 0" /><path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect" /><lock v:ext="edit" aspectratio="t" /><shape style="Z-INDEX: 1; POSITION: absolute; TEXT-ALIGN: left; MARGIN-TOP: 133.1pt; WIDTH: 70.15pt; HEIGHT: 63.9pt; MARGIN-LEFT: 352.5pt; LEFT: 0px" id="_x0000_s1035" type="#_x0000_t75" /><imagedata src="file:///C:\\DOCUME~1\\chunmao\\LOCALS~1\\Temp\\msohtml1\\01\\clip_image001.wmz" /><wrap type="square" side="right" />