Section1
# W* p( t# Y v# G5 U) Q! f" v( C上期复习3 ]- }: A+ [' }3 K
7 c. a+ [0 {% ]6 l, l! F2 z8 t$ O$ NJust as they had been for years, the customary steps were followed—that is, the usual procedures were carried out.
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G; S1 z. Z/ A% |惯例的 / Q2 l3 M! G _
Section2
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The animals looked healthy. They exhibited, or ________________, no symptoms of disease.. F$ ]) r% Q- n
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(a) exchanged; r2 g8 O& \! [ ^6 F' q
(b) hid7 L% S7 M% \5 {8 x+ [
(c) earned' p$ m# `, `7 n" q( I
(d) showed/ t0 F' u3 S$ a' L9 {
0 V7 U1 o% {* }8 | answer key: d |
发表于 2012-8-15 00:34:18
