</p>8 In the background was that eternal hum.: k. v$ i2 k! e/ |2 J4 w5 e
A long B never-ending
# {* ^4 f# u) `6 F. B! CC boring D extensive
# `7 `) J, k# t7 b0 [ @1 p+ w9 The Constitution's vague nature has given it the flexibility to be adapted when circumstances change.! D3 o5 H6 {: e. j8 I( k e( E
A imprecise B apparent: l# W, s* |/ b/ O) _
C clear 13 easy
5 u" j. |; m6 y. w: `0 D10 Gambling is lawful in Nevada.2 e, g, [" [% W. r. r) ]8 I
A enjoyable B irresistible2 K( x, E7 d* f: E
C legal D profitable! t5 ]% H9 n$ x6 g; h2 n2 k2 w
11 These are the motives for doing it.
' v! k7 x$ [9 U( `A reasons B excuses& h7 |1 l" J2 S1 s* C
C answers D replies
! p* B0 G9 W1 V: |* R12 The river widens considerably as it begins to turn west.# Z5 Q: m/ r: y7 W' ]$ \
A extends B stretches
# V' i9 m+ ~5 X4 }$ vC broadens 13 bends( R9 V7 \; \2 j7 y% s
13 Many economists have given in to the fatal lure of mathematics.
) J% L2 {1 A2 y& |A error B puzzle* r( u' ]# h/ M- X% L
C attraction D contradiction" u. r/ q5 ?, ^: F
14 With immense relief I stopped running.1 T1 V4 R% H7 d1 T/ w7 u" W& o
A no B little& O" ?+ \% y. v* O& u
C scarce D enormous
) R8 p* l ~4 J: A! Y15 A great deal has been done to remedy the situation
. j: u, j ^4 Z4 R% MA maintain B improve# x) q8 K, s6 L* N0 Z" i3 M# Z9 e
C preserve D protect! I% j; n$ V+ M! A" c
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# l/ |6 N; f" n R$ L& A1. C 2. B 3. D 4. D 5. B * R" }) |1 {. Y8 J* O% ~% _, E
6. A 7. D 8. B 9. A 10. C
# s# i1 F# h9 R/ I9 y2 C11. A 12. C 13. C 14. D 15. B |