1. 43X46X(43M) 7070MM47 I.43X46X2923 43X13 2. M4736 25 M47 43X -()() 15-30 20 29 13 $5.8 6301120 6501120 446X() -()() 15-20 23 $6.5 69 () 211

2. 70 -() 4-12 10-12 76% 37% $4.7 5301210 1170M() () 20-25 78% $4.7 () 705855 3 M47: ()-() 14-20 20 36 25 $5.1 61205 6II. 3. (1) 43X46X43M(- )()() $5.3//// 70 740M90B4X 2 3. 15B5X1018P (2) 43X46X70(- ())() (3) 7070M 70M70 (4) M47/ 4X9717 58/58A59 III. 4. M47 43X46X 70 (1) 43X46X43M 43M M47 (2) 43M4X7 () (3) 43M1 / (4) 70 7070P 411 (5) 70789 5. 3 4. () 43M - 12-15 15 $5.3 63011 5 2 70 -() () @ **[ ] . () () . ** @() () 20 4 11 (70P ) 4 5. $4.7 5251210 13() / 43M 4X / 7 ()/ $5.3 $5.3/ $4.1/ $4.0 4X / 7 43M $5.3 $4.8 $5.8$3.7$3.7$5.3/ $4.1/ $4.0 () $3.4 $3.4 $5.3$5.3$3.4$5.3 $3.4 $3.4 $4.7 () () // / 43M 1 $5.3 1$3.4 43M $4.7 789 70 () 35 6. 43X46X70 70MM47 (43M) (201311)M47 43X46X70: 1. 2. 3. 789 43M: 4X/ 71 70M: 70 43X [-]() (46X ) 46X [-]()()(43X ) 43M [-]() (1. 2. 43M4X/743M1) 70 [-()] (1. 2. 3. 789 70M [-()]() (70 ) M47 [()-() ] ( )) 7. I. II. 2. 3. 4. 100% 85%60% 85% 30% 15 305. 1 8. 6 () 17/18 71() () 970 205-1094% 970X ()138-1590%81%[ 71 ]2 9. I. II. 2. (i) - 8 [()-()] 28 [()-()] -() - - ()() $7.0 ()() $7.0 58 [-()] 58M $5.9 54 [-()] 54M $5.0 23 [()-] 23M $5.5(ii) 3. 1 10. -23 51 51A () 51S 58()-() -() -() () 4-5 4-12 7-12-() -()5-15 8-1563-5-158()-()6-1010-()7-1022-()6-1222S () 28-10-25()-()6-1531-()10-3054()-()8-1055-()()5-869-()()9-1569X-()()6-202 11. 54M () 78 15-20 $5.058M () () 7309 5307 20-30 $5.9 23M () 78 12-13 $5.53