Section1
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Just as they had been for years, the customary steps were followed—that is, the usual procedures were carried out.$ R& v$ v9 Z- J' q! L. t. y" {
惯例的 z% v w! o$ g: E6 {/ `2 r
Section2& `4 U. c) R- [9 D: X9 `
The animals looked healthy. They exhibited, or ________________, no symptoms of disease.
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(a) exchanged
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(c) earned9 x) q4 q( r. t. g- [% w0 _; h) I
(d) showed% b; r( p( n2 u& \( t/ B+ w
answer key: d |
发表于 2012-8-15 00:34:18
