7.Mars is not,it seems,the dry old planet we once believed it to be.Astronauts who are(21)Ato go there in the next decade may find plenty(22)Bwater to slake (消除) their thirst.
And with water present the(23)Aof finding some sort of life on Mars are (24)Cbrighter.
This is the view of 40(25)B all over the world who have been analyzing (26)Dof pictures and other scientific (27)Dobtained by robot explorers in the sixties and seventies.
To begin with,scientists thought the Red Planet was as(28)Cas the Moon with dust storms swirling over vast sandy(29)A.But now the picture is very different with mountains and valleys carved by(30)C glaciers and torrential rivers rushing and rumbling deep underground.
In a report on the(31)D of the Martian pictures Dr.Michael Car of the US Geological Survey comments:"I am convinced(32)B lots of water on Mars."Any surface water will be in the(33)Bof ice.But it could save explorers(34)A to take so much fresh(35)Dwith them.
The report says (36)D__36__ Mars probably had a warmer climate in ages (37)Bdue to its axis having been more steeply tilted towards the Sun.(38)B
convincing signs of plant or animal life have been(39)Aby instruments soft landed on Mars,(40)Donly the immediate vicinity (靠近) of landing vehicles could be examined.
.
And with water present the(23)Aof finding some sort of life on Mars are (24)Cbrighter.
This is the view of 40(25)B all over the world who have been analyzing (26)Dof pictures and other scientific (27)Dobtained by robot explorers in the sixties and seventies.
To begin with,scientists thought the Red Planet was as(28)Cas the Moon with dust storms swirling over vast sandy(29)A.But now the picture is very different with mountains and valleys carved by(30)C glaciers and torrential rivers rushing and rumbling deep underground.
In a report on the(31)D of the Martian pictures Dr.Michael Car of the US Geological Survey comments:"I am convinced(32)B lots of water on Mars."Any surface water will be in the(33)Bof ice.But it could save explorers(34)A to take so much fresh(35)Dwith them.
The report says (36)D__36__ Mars probably had a warmer climate in ages (37)Bdue to its axis having been more steeply tilted towards the Sun.(38)B
convincing signs of plant or animal life have been(39)Aby instruments soft landed on Mars,(40)Donly the immediate vicinity (靠近) of landing vehicles could be examined.
21A.expected | B.hoped | C.required | D.eager |
22.A.to | B.of | C.more | D.in |
23.A chances | B.openings | C.occasions | D opportunities |
24.A quite | B.very | C.much | D.more |
25 A.biologists | B.geologists | C.sociologists | D.psychologists |
26 A.a few | B many | C.thousand | D.thousands |
27 A.skills | B.news | C.intelligence | D.information |
28 A.peaceful | B quiet | C.lifeless | D.dead |
29.A.deserts | B.mountains | C.seas | D.rivers |
30 A.energetic | B.great | C.powerful | D.heavy |
31.A.diagnosis | B.syntheses | C.analysis | D.analyses |
32 A.there's | B.there're | C.here's | D.here're |
33.A.appearance | B.way | C.form | D shape |
34.A.have | B.having | C.carry | D.carrying |
35.A.water | B.ice | C.food | D.vegetable |
36.A.what | B.if | C.how | D.that |
37.A.pass | B.past | C.ago | D.before |
38 A.Not | B.No | C.Nor | D.Never |
39.A.detected | B.touched | C.seen | D.felt |
40.A.probably | B.perhaps | C.supposed | D.although |
2.On Christmas Day in 2003,Nancy Brown went to see the film Cheaper by the Dozen at an AMC movie theater.The theater was (21)C.When the film was over,Brown,then 63,followed the large audience through the hall toward the (22)A.As she passed the Concession Stand(小卖部),she (23)D tripped and fell to the ground.
About ten minutes (24)A,an AMC employee had mopped up a spilled drink in the area and (25)B a sign saying Wet Floor over the spot.It was an A-frame sign-the kind used by (26)C everywhere-made of bright yellow plastic,with CAUTION (27)D red capital letters across the top.The sign had (28)B-probably heavily stepped by the crowd-and Brown hadn't seen it lying (29)A on the floor."There were people all around me,"she explained."(30)C I had been looking down,I probably (31)D have run into them."Her left foot (32)B in the handle of the sign,and she fell forward,hit her forehead on the floor.An ambulance(33)C her to the hospital.She had broken several bones in her left foot,so she had to(34)A a cast(石膏)for four months.
Two years later,Brown had back surgery to rid (35)B of injuries she believed she'd suffered in the fall.A month after the (36)A,in December 2005,Brown and her husband (37)B AMC,claiming the movie-theater chain should (38)D for her injury caused by a"tripping risk"in an area that they knew would be"trafficked by customers."The Browns (39)D $383,000to cover pain and suffering and medical (40)C.AMC's lawyer,Christopher Ziegler,wondered,"Where else would you put a Wet Floor sign than where people are walking?"
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About ten minutes (24)A,an AMC employee had mopped up a spilled drink in the area and (25)B a sign saying Wet Floor over the spot.It was an A-frame sign-the kind used by (26)C everywhere-made of bright yellow plastic,with CAUTION (27)D red capital letters across the top.The sign had (28)B-probably heavily stepped by the crowd-and Brown hadn't seen it lying (29)A on the floor."There were people all around me,"she explained."(30)C I had been looking down,I probably (31)D have run into them."Her left foot (32)B in the handle of the sign,and she fell forward,hit her forehead on the floor.An ambulance(33)C her to the hospital.She had broken several bones in her left foot,so she had to(34)A a cast(石膏)for four months.
Two years later,Brown had back surgery to rid (35)B of injuries she believed she'd suffered in the fall.A month after the (36)A,in December 2005,Brown and her husband (37)B AMC,claiming the movie-theater chain should (38)D for her injury caused by a"tripping risk"in an area that they knew would be"trafficked by customers."The Browns (39)D $383,000to cover pain and suffering and medical (40)C.AMC's lawyer,Christopher Ziegler,wondered,"Where else would you put a Wet Floor sign than where people are walking?"
21.A.organized | B.deserted | C.crowded | D.furnished |
22.A.exit | B.entrance | C.stage | D.window |
23.A.simply | B.particularly | C.gradually | D.suddenly |
24.A.earlier | B.later | C.sooner | D.longer |
25.A.removed | B.placed | C.collected | D.hid |
26.A.hotels | B.restaurants | C.businesses | D.offices |
27.A.on | B.by | C.through | D.in |
28.A.got over | B.fallen ove | rC.run over | D.taken over |
29.A.flat | B.open | C.close | D.quiet |
30.A.When | B.After | C.If | D.Unless |
31.A.should | B.must | C.may | D.would |
32.A.burst | B.caught | C.lost | D.pulled |
33.A.ran | B.picked | C.rushed | D.dropped |
34.A.wear | B.dress | C.hold | D.hang |
35.A.themselves | B.herself | C.oneself | D.itself |
36.A.operation | B.accident | C.fall | D.injury |
37.A.challenged | B.accused | C.criticized | D.mentioned |
38.A.stand | B.change | C.long | D.account |
39.A.offered | B.refused | C.paid | D.demanded |
40.A.profits | B.funds | C.expenses | D.fares |