英语专业八级改错练习题及答案解析(102)

会计考友

　　Mars has provoked much speculation on the possibilities of __1__
( J( `% d8 V: N. E8 R5 }! _　　life on Earth than any other planet in the Solar System. __2__
0 m+ z( J6 ?9 e  Y　　The presence of water is a prerequisite for the existing of life. __3__
8 ]* U- g0 E9 X& Z- B　　Therefore, “follow the water” has been NASA’s chief guideline
. X$ N: J! i0 h0 Z+ E: S" k　　for the exploration of a red planet. Although Mars experiences __4__
　　seasons like on Earth and as polar caps which composed __5__
　　of carbon dioxide and water ice, today it is bone-dry and frigidly
　　cold. But evidence is rapidly accumulating that Mars is once __6__
4 z2 ?2 n& ?4 R& l2 E+ ^　　much wetter, with a more clement climate.
+ R* K- J; n, ^" T1 ]' m　　This evidence comes from orbiting satellites and from data collected
　　by roving landers.
( M8 Y. E5 c' o$ Q$ H　　Since the 1970s, space probes of Mars have revealed __7__
6 c: E8 N' D+ M9 i　　numerous features apparent craved by flowing water, such as
, @' E$ K  I; i: M3 l3 x; D　　winding, branched valleys resembling driedout streambeds
　　and giant outflow channels gouged by catastrophic floods.
　　Recent high-resolution imagery from the Mars Odyssey Themis
/ b1 l2 d; l( `6 H, \9 S" h. T　　reveal numerous examples of branched valleys that from __8__
　　tightly-packed integrated drainage system. These channels
　　origins at topographic high points; the valleys widen “downstream”, __9__
　　some even displaying inner valleys. The valley networks densities,
, W# M) U6 ^; h) {9 s( l1 k" Z　　comparative to those of terrestrial drainage basins. __10__
* B9 k2 a! ^# ]　　These features were most likely produced by rainfall, during wetter, warmer periods in the past.
　　答案：
/ G+ X. p2 Z0 C; i6 p　　1、much—more 或much后加more 句法错误，后半部分出现了than，前半部分用比较级
　　2、on---beyond 词汇错误，“地球以外的生命”不因该用on。
　　3、existing—existence 此行混淆，“生命的存在”应用existence。
　　4、a---the
' J; U1 E( j* c& C+ ^　　5、which去掉或which后加are，句法错误。
　　6、is---was 句法错误，时态错误。虽然主句的时态是现在进行时，但是从句中有时间状语once，所以用过去时。
　　7、of-----to 词汇错误，probe与to，into搭配。
　　8、reveal---reveals 主谓不一致。
　　9、origins-----originates 词性混淆。Origin是名词意思是“起源，由来”，动词形式为originate意思是“引起，起源”
　　10、comparative---comparable词汇错误。句意为：谷地网络呈现变种度量特征，包括与陆地流域盆地相似的网状密度。应用可比较的comparable。