11.These are the motives for doing it.% c* Y, J& M+ `6 M m9 W( u
A reasons
# J6 S" J: s& C9 [( v" oB excuses0 n) Z7 U( J, i( P. z/ l: T
C answers5 R! u6 G$ H7 I- O z
D replies! p" o' ^9 }% G! s
12.The river widens considerably as it begins to turn west.
( N0 l4 E, e) [ d+ E5 eA extends
0 c+ w: @+ D5 H7 ZB stretches) i( a/ O, N. U' I+ P2 X
C broadens1 X+ [3 B) H0 b# ^
D bends
% e; A" D1 c$ J13.Many economists have given in to the fatal lure of mathematics. ^, Y0 ?% R4 D& W' }% P( D& b
A error" ?0 n7 i, Q, {7 w9 E& v
B puzzle4 O& x, X' N' B+ |! f2 |. v) I
C attraction
* ]6 s4 w4 Q5 c# m' _ PD contradiction
8 T; `' O6 B' M7 k% t! w14.With immense relief I stopped running.3 \2 P% g5 x S- [
A no- r) U1 q; g# J
B little7 Z3 j* }( s+ b" S8 p* c5 u
C scarce2 L- j* G" @+ |% s; v
D enormous" m; e: Q) }& H
15.A great deal has been done to remedy the situation.
; Y( @% Q4 s5 Q" r1 b/ Z- MA maintain/ I# P' U5 K# [6 l
B improve W, [& P, ]& x& w4 }" N; T
C preserve
, @4 `! M( e) `: vD protect
0 l/ u; X- A2 u% ?参考答案:11. A 12. C 13. C 14. D 15. B |