9 In times of economic difficulty，corporate budgets for research and development are often slashed before any others.
A.shifted
B.cut
C.examined
D.presented
10 Hoof-and-mouth disease was eliminated in the United States by slaughtering affected herds of cattle.
A.isolating
B.testing
C.vaccinating
D.killing
11 The gar is a fish with along，slender body and scales as hard as flint.
A.flat
B.straight
C.slim
D.fragile
12 The earliest kind of desk was a box that had a sloping lid，under which there was storage space for writing materials.
A.a sturdy
B.a polished
C.an inclined
D.an adaptable
13 Their sole fault was a failure to recognize all the factors involved.
A.maximum
B.usual
C.initial
D.only
14 Generally，a material with a sour taste，such as vinegar or lemon juice，contains an acid.
A.a tart
B.an oily
C.a fruity
D.a bland
15 A writers attempts to reproduce folk speech can be an asset to the historian of pronunciation.
A.wisdom
B.language
C.traditions
D.beliefs
参考答案：1D 2B 3A 4D 5C 6D 7C 8D 9B 10D 11C 12C 13D 14A 15B