</p>第4部分：阅读理解(第31～45题，每题3分，共45分)下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。6 s! y9 F2 f& y$ I3 j* B& Z* {
G9 d2 @, \6 e/ A/ K $ r) O" m a( f. j
31. What determines your weight?* S6 t: Y2 w8 b/ `3 g
A. Your working manner.
, z" K7 ]3 A' X. NB. Your eating habit.
. u: s1 @# J8 s* HC. Your life style.2 C+ u! l, v9 N
D. Your genes.
7 p4 I( v9 F3 h! Y |1 T# z. B32. What did Jules Hirsch do in his study?
8 j5 N, l/ T8 ]6 HA. He let the eight fat people skip supper. 4 r9 n8 _+ W6 o, G6 x# }, C" f5 _
B. He let the eight fat people skip breakfast.
# ]' @8 W* O& i1 @: F1 rC. He let the eight fat people run every morning and evening.7 b( ?* S# K- C! i
D. He gave the eight fat people a liquid formula providing 600 calories a day.! s$ t* u: v+ x2 `
33. What happened to the eight fat people after they left the hospital?
- ^. K9 _7 V$ r# R; C: ZA. They went mad.. r9 l' C' a1 h2 [
B. They killed themselves.+ \, e- p6 T) T
C. They were back to normal weight. ) u- `- k V. \ h, s
D. They attempted suicide' `/ { K6 j3 ^! d
34. What did Ethan Sims make his subjects do?
' x. o, b1 E% V, r- |: A) JA. Battle their genetic inheritance.
4 v9 I9 J1 H- L" L: AB. Increase their weight.
+ W- }3 b' x* @7 K9 FC. Stay at home.
* G* }; h/ s: u( ]: ]D. Lower their weight.
: A0 I8 y% ^$ x- K" h. z35. What did scientists think was true?
$ h. g0 |0 o( i! E% {+ T/ UA. Each person has a fixed weight range.1 T" R4 O1 q& B& A
B. Each person has a weight range of 9 kg. 4 t7 H8 N9 I9 {9 @ f3 n
C. Each person wants to control his weight.
4 Y# P0 B3 w) d* ~" p; h* [D. Each person wants to eat to his heart's content./ d7 a6 G; n% d) m: c# M8 X
 1 T, O) l- q3 T3 p3 E% N% C
36. Something destructive could happen to a star that gets too close to a black hole. Which of the following statements is NOT mentioned in the passage?
2 g- k/ a7 `5 H- p+ V+ ^A. The black hole could tear apart the star.+ L- }( w' s& a" p7 K2 |* D
B. The black hole could trigger a nuclear explosion in the star.
8 X( f- _2 o! c2 M- ^C. The black hole could dwindle its size considerably.4 ?3 t$ _2 f* W
D. The black hole could devour the star.
! g' {5 ]' Q3 }4 y4 U37. According to the third paragraph, researchers differed from each other in the problem of
, F" @8 N: a$ G% ?4 o, fA. whether nuclear reaction would occur.
# f7 u( d) z+ @. Z9 A0 sB. whether the stars would increase its density and temperature. , d, X% x, z4 E
C. whether shock waves would occur.3 D3 \3 ~8 [+ \, j7 J3 k
D. whether the uneven forces would flatten the stars.
7 t1 k' @4 W- @* Z$ A: Z9 V& E1 \38. According to the fourth paragraph, which of the following is NOT true?
' s/ s! X! m* g3 j) sA. No nuclear explosion would be triggered inside the star.# Q1 y' d+ R0 i" z% ?
B. The star would be destroyed completely.
; t* B8 X0 o) y+ _: gC. Much of the star's matter thrown by the explosion would be beyond the black hole's reach. - k& l3 K- z C. C8 `! E" c
D. The black hole would completely devour the star.
$ K0 A6 y1 i# _' Z2 b39. What will happen several months after the explosion of the star? ( ^! y8 s# V/ d8 H9 Q( z
A. The star's matter will move further away from by the black hole.
$ v* A+ h5 L8 S' X! _B. The black hole's matter will heat up.* F; R. g8 C3 U1 ?! Q3 O
C. The black hole's matter will swirl into the black hole.9 g' F2 @3 {2 h, v9 P$ l
D. The black hole's matter will release ultraviolet light and X-rays.+ x! f+ ^" |$ o) E! C' T
40. According to the context, the word "disruption" in paragraph 6 means
$ d- A0 Y4 X) i- o j& I! I- _A. confusion. & p% K# y0 ?: t4 k/ @+ n" q y+ p
B. tearing apart.
% O- l; ]$ _' E% x7 A/ f: q- o$ mC. interruption.; J* G. f1 z8 h1 T
D. flattening.4 n! K8 ?1 W/ c
6 f) N8 Q! |" [+ ?& M
% q1 X: b6 }+ ?- n41. What is the mystery that researchers find hard to explain? , f$ X1 L7 N( R9 E
A. Honeybees are flying all across the country.' h2 ?5 O/ F: ]2 T/ U7 b, U
B. 25—40 percent of the honeybees in the US have died.
6 |" k( H0 G9 [C. Honeybees are leaving their hives and do not return. $ j8 C) y* d4 n+ [* Q- W
D. Honeybee hives are in disorder.
% A9 c' W2 S1 b1 P" w42. Why are researchers seriously concerned with the phenomenon of colony-collapse disorder?
9 P7 A3 B9 W; xA. Because honeybees produce one-third of the foods we eat 4 E0 @& V- A( r+ E3 W- V% g3 S( ]% }
B. Because honeybees feed on flowers.
2 c6 ^( U. t/ e/ ~1 tC. Because honeybees eat seeds of flowers.
- W1 V( |" H2 v' ?D. Both B and C.0 N. f/ l7 q3 U j7 Y6 Q2 l# C+ c
43. What are the possible causes of colony-collapse disorder given by the scientists? % k8 F+ H! e7 Q' p
A. Worsening environment.9 k/ Y4 H+ H, b, ?
B. Disease and chemicals.1 r2 H9 h4 }9 O8 t
C. Dwindling number of flowers around.
) k2 e7 }9 i# B3 }& m8 D: eD. Changes in genes' structures.
) C* M" u' E; ] _. T3 q44. According to the fifth paragraph, which of the following about bees' genes is true? : j# U, `: X- n9 p
A. Bees' genes allow them to expand their colonies.
5 o; d1 U- \0 @% y6 y' W# ]B. Bees' genes help keep them in their hives.
9 i: S4 V/ A( rC. Bees' genes make them fly from flower to flower.
; V9 A u# e! n& t; d& j- iD. Bees' genes could explain the collapse of some colonies.
: {. s; g' M' p, O# R* Q5 V45. What explanation is given by Jerry Hayes to the phenomenon? 2 u/ Z/ N( O* o. r
A. Farmers apply certain chemicals to kill unwanted bees.$ S# v# Y+ k2 }2 Q, w
B. The insecticide destroys the honeybee's nervous system.
1 k# @- F2 }0 O/ A; S( s; jC. The insecticide affects the honeybee's memory.
9 l" {) j4 s# ^' _* U- d: PD. All of the above. |
发表于 2012-8-15 23:30:26
楼主
, z- r/ K4 t" ~% T1 v
