10.
如图,在△ABC中,AB=4,AC=3,DE∥BC交AB于点D,交AC于点E,若AD=3,则AE的长为( )
| A. | $\frac{4}{3}$ | B. | $\frac{3}{4}$ | C. | $\frac{9}{4}$ | D. | $\frac{4}{9}$ |
9.不等式1-2x≤5的解集在数轴上表示为( )
0 282091 282099 282105 282109 282115 282117 282121 282127 282129 282135 282141 282145 282147 282151 282157 282159 282165 282169 282171 282175 282177 282181 282183 282185 282186 282187 282189 282190 282191 282193 282195 282199 282201 282205 282207 282211 282217 282219 282225 282229 282231 282235 282241 282247 282249 282255 282259 282261 282267 282271 282277 282285 366461
| A. | B. | C. | D. |