Section1, y7 z9 x+ B% M! |0 m$ Z6 B$ @" [1 G
上期复习5 ^/ \3 L; B4 r# C# V. E
Just as they had been for years, the customary steps were followed—that is, the usual procedures were carried out.) D/ c- X2 J, V$ m4 g. R" O
惯例的
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The animals looked healthy. They exhibited, or ________________, no symptoms of disease.: H4 |7 r; D& W) y: u& O) }# h3 g
填空:
1 k; a$ y& L& Y! D (a) exchanged6 F! @6 O( @. d; c5 @1 ?. F* o
(b) hid
" k7 @: g3 Q7 A/ T0 U5 j: s (c) earned
" _' e& O- N9 q; T$ v5 v) X, @ (d) showed8 e0 `) W0 c1 w1 ]
answer key: d |
发表于 2012-8-15 00:34:18
