11 These are the motives for doing it. % V" \+ O: e% _; `. J: A" H
A reasons B excuses
* }2 J' f+ j1 t9 S: @: l- ~ K& } C answers D replies % j- f* l: L6 ^1 F9 x( Y
12 The river widens considerably as it begins to turn west.
" I. O) ?9 _2 n8 U7 y A extends B stretches
) r8 o6 w1 k1 E- \4 `' ~- j C broadens 13 bends
6 Y( L3 _; l7 n, X 13 Many economists have given in to the fatal lure of mathematics.
" {1 c9 U3 M2 c' |7 O A error B puzzle 9 A9 |4 o1 j3 d& a
C attraction D contradiction 5 ?( G4 `8 S2 f4 ~; s- D" k" w
14 With immense relief I stopped running. ' E/ |# j" t7 q+ T( I
A no B little ! J$ `4 e# t; B% g( o6 _0 i
C scarce D enormous " \0 [! J8 @$ \
15 A great deal has been done to remedy the situation
0 Z: f( H X- _3 T0 @/ v, u' R2 d A maintain B improve
) ]6 H1 K; z! o: j C preserve D protect </p> 参考答案 " B9 L. b3 q& g4 D
1. C 2. B 3. D 4. D 5. B
1 }9 H' r- h! I. l 6. A 7. D 8. B 9. A 10. C " S6 ]/ {# C7 q, M- ], _3 k2 f( p
11. A 12. C 13. C 14. D 15. B |