Section19 u: ~! D) X3 z# g6 ]6 ?
上期复习2 t5 ~/ B0 @5 S' p7 D
& u. K+ w" J' f7 [6 AJust as they had been for years, the customary steps were followed—that is, the usual procedures were carried out.
7 R1 d: N. G# u0 \
) i2 `- v. o w: k惯例的 & a' {- F, w. ?% X
Section2* u3 o6 s9 Z4 g& J' g
3 y4 f9 }% _/ I! B8 kThe animals looked healthy. They exhibited, or ________________, no symptoms of disease.: r9 h2 ~" @- ]# E
5 E( q6 a# W0 T, K填空:
4 l2 H/ q1 ~- f5 B(a) exchanged! K! u- b3 E% ]# a1 r
(b) hid
7 g! ^+ I. ]; l3 l# s7 E(c) earned
/ k+ O2 _- }$ C5 p! t(d) showed
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# `/ [/ w' S2 f$ {7 u answer key: d |
发表于 2012-8-15 00:34:18
