11 The food is insufficient for three people. 9 \# m O3 i! r0 i1 ~A scarce B short- @0 ?+ I9 N) R/ Y
C marginal D inadequate( \3 O$ L7 E( M. h& u. R) U/ ^
12 Most of the butterflies perish in the first frosts of autumn , u# x" G% h8 {& b& A8 Z" JA die B disappear: |/ ?9 R* _& E% t: ~0 m( i" K; ? k
C migrate D vanish9 Q' T- \& B @( R1 `' t
13 But ultimately he gave in. ' d4 ?/ N: L+ _4 }1 n7 g5 LA undoubtedly B certainly* x# ]) J: K+ I
C finally D necessarily0 r* m9 W; [" W
14 It is a complicated problem.8 K* W7 C9 P5 M9 ]. P6 x
A strange B complex Q5 u. v# t7 eC difficult D unusual 7 ?# [2 B( \& r. S15 In Britain and many other countries appraisal is now a tool of management. . U' [( I4 n/ N4 p; ^+ S# qA evaluation B production $ E8 [8 N0 N2 }. c, C0 UC efficiency D publicity & J& V; y9 \" q" P' V+ t v3 h' {: s
11. D 12. A 13. C 14. B 15. A