41.
; z. Q4 N% Q ]. N2 `- q; f （a） a regular class will be given.
' O& ?) |& m* } （b） an optional review class will be given." y1 Q8 v4 F0 \1 B/ l& o4 P6 h# n
（c） an exam will be given.
& K6 e) p: I$ D! ], o （d） class will be canceled.
: q- c9 b- l* z% r" T: ] 42.
7 T) |1 O w2 Q/ G/ g2 S& V （a） rock formations in the nevada desert.
' [9 @, m' J2 O （b） graduate studies in anthropology.
9 o2 ?8 ~2 r& e9 b! _1 z5 [ （c） excavation techniques used in archaeology.
- z) T+ s4 @7 O- F8 X （d） prehistoric desert people of nevada.5 l6 C$ i7 f7 f/ }$ t& [
43.$ t4 G: |# H$ G6 a/ h8 w7 V
（a） they planned their migrations.: m8 p) l N7 C3 Q
（b） they didn't travel far from their base camps." H4 w/ O& A( ?2 g
（c） they hid from their enemies in caves.
: ?. {- {% C( w* c& |+ E （d） they planted seeds near their camps.
+ Q) I, Q4 f! H2 ~( j 44.! s4 L2 G, w4 N; E& O$ H# l
（a） they had trouble finding it.( |1 ^2 O8 ?: M
（b） lack of light made it impossible.' D, ^: q" u5 Y
（c） it was too small for a group to fit into.2 y. v% n' }% _8 }! I8 K% \
（d） items stored by others took up most of the space.+ j. ^/ L A2 O. O* B/ d# Y
45.0 ?7 y: \2 a) J/ j( g) @, w: [# g9 @
（a） prehistoric desert people.
' S6 w* J' q% R( A5 H （b） migratory animals.
$ M) q$ w' {, z. a# Z1 i （c） food supplies and tools.
/ ]7 n. `2 V- W+ z$ U- ^2 e （d） growing plants.# Q( s. ~' c9 v& D7 r2 Y
46.5 X8 I0 s/ H$ P( @. B6 B3 v
（a） to illustrate the size of some objects.. j$ A4 n8 a4 z8 g7 {! P
（b） to introduce the next assignment.5 F; w0 m# T3 y6 x
（c） to show some artifacts on display at the campus museum.
`! {, h" f" ~6 E+ |8 C9 B7 | （d） to demonstrate his photographic ability.
9 E$ a0 H: L" |1 d/ l7 d- Q# i, u 47.
" F) ~* f7 y" |1 E （a） a comparison of fish to warm-blooded animals.1 m/ ?# b0 q: j0 ^/ C- T; `0 o( Y
（b） the difference between saltwater and freshwater environments.
8 `2 K9 h* E; V/ I. n （c） the importance of fish to human beings.5 `" }) W/ s3 K2 J ^
（d） how water has affected the development of fish.
v& K6 s8 D* o" ]- i9 z 48.
% S# R+ C+ g& o9 q4 o; W （a） it can' t be compressed.
$ j4 m0 y; E1 a9 y. v: z （b） it is often polluted.2 F/ X% Q" c0 y) k7 O/ M; V
（c） its temperature often fluctuates dramatically.# k4 l: i" i" U9 h3 C0 I
（d） it limits their size.$ N f" i" W+ \( o# f6 n% V( B
49.
$ v$ Q5 z, j0 x8 E （a） a whale.
0 } ^2 |9 J' Y0 `2 O, K1 r" Z& G （b） a human.
' `/ ~( L& P( p7 \' i! T, f （c） a snake., ^0 \7 [; D/ t' _. t8 H
（d） a snail.
' G9 s: B. ~3 W6 R7 w) q4 Y, L4 K2 P 50.
: M1 U* K: F* S# V （a） its skeleton.
& E `2 H( Y6 R' Y9 v （b） its shape.
0 Y' _4 b9 ^ d/ b8 P- S （c） its senses.
" C5 @* W6 q: x/ L6 g% F* e （d） its body temperature. |
发表于 2012-8-15 00:04:42
