题目内容
6.Only when we have enough"input"_________ excellent"output"-speaking and writing in English.( )A. | did we present | B. | can we present | C. | present we | D. | we can present |
分析 只有当我们拥有足够的知识输入才能在英语的说和写中表现得精彩.
解答 答案:B.
分析句子结构可知,本句的句式属于only+when引导的时间状语从句位于句首,所以后面的主句要使用部分倒装,可排除C和D;因为从句的时态为一般现在时,所以主句的时态也应该使用现在时的时态,可排除A.故选B.
点评 对于倒装句式要熟练掌握几种基本的结构,灵活运用部分倒装和全部倒装的用法.

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16.Fifteen percent of US teenagers aged 12 to 17 who own mobile phones have received nude(裸体)or nearly nude images of someone they know,according to a survey released on Tuesday.
Only four percent of mobile phone-owning(35)Ain that age group have sent sexually suggestive pictures of themselves,a practice known as"sexting,"(36)Dthe Pew Research Center's Internet & American Life Project.
The Pew survey found that girls and boys were equally as likely to have sent a suggestive picture to(37)Bperson and(38)Cteenagers were more likely to have engaged in"sexting."
Eight percent of 17-year-olds with mobile phones have sent a sexually provocative(刺激的) image(39)Atexting and 30 percent have(40)Ba nude or nearly nude image on their phone.
Only four percent of 12-year-olds have sent suggestive images of(41)B.
Amanda Lenhart,a senior research specialist at Pew and the author of the report,said sexually suggestive images have become a(42)Dof"relationship currency"for teens.
"These images are(43)Aas a part of or instead of sexual activity,or as a way of starting or(44)Ca relationship with a significant other,"she said."And they are also passed(45)Ato friends for their entertainment value,as a joke or for(46)B."
"The desire for risk-taking and sexual exploration during the teenage years(47)Cwith a constant connection via mobile devices creates a'perfect storm'for sexting,"said Lenhart.
"Teenagers have always grappled with issues around sex and(48)D,but their coming-of-age mistakes transgressions have never been so easily(49)Aand stored for others to see,"she added.
The survey found that teens with unlimited text messaging plans were more likely to receive"sexts"(50)Aimages of people they know.About 75 percent of mobile phone owning teens have unlimited plans.
Among this group,Pew said 18 percent reporting receiving"sexts"(51)Bwith eight percent of teens on(52)Adata plans and three percent of teens who pay per message.
According to Pew,58 percent of 12-year-olds own a mobile phone and 83 percent teens aged 17(53)C.
Pew noted that a number of US states are grappling with how to(54)B"sexting"among minors and some legislatures(立法机关) have stepped in to consider laws that would downgrade charges from felonies(重罪) to misdemeanors(轻罪).
Pew conducted telephone interviews with 800 teens aged 12 to 17 and their parents between June 26 and September 24.
Only four percent of mobile phone-owning(35)Ain that age group have sent sexually suggestive pictures of themselves,a practice known as"sexting,"(36)Dthe Pew Research Center's Internet & American Life Project.
The Pew survey found that girls and boys were equally as likely to have sent a suggestive picture to(37)Bperson and(38)Cteenagers were more likely to have engaged in"sexting."
Eight percent of 17-year-olds with mobile phones have sent a sexually provocative(刺激的) image(39)Atexting and 30 percent have(40)Ba nude or nearly nude image on their phone.
Only four percent of 12-year-olds have sent suggestive images of(41)B.
Amanda Lenhart,a senior research specialist at Pew and the author of the report,said sexually suggestive images have become a(42)Dof"relationship currency"for teens.
"These images are(43)Aas a part of or instead of sexual activity,or as a way of starting or(44)Ca relationship with a significant other,"she said."And they are also passed(45)Ato friends for their entertainment value,as a joke or for(46)B."
"The desire for risk-taking and sexual exploration during the teenage years(47)Cwith a constant connection via mobile devices creates a'perfect storm'for sexting,"said Lenhart.
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Among this group,Pew said 18 percent reporting receiving"sexts"(51)Bwith eight percent of teens on(52)Adata plans and three percent of teens who pay per message.
According to Pew,58 percent of 12-year-olds own a mobile phone and 83 percent teens aged 17(53)C.
Pew noted that a number of US states are grappling with how to(54)B"sexting"among minors and some legislatures(立法机关) have stepped in to consider laws that would downgrade charges from felonies(重罪) to misdemeanors(轻罪).
Pew conducted telephone interviews with 800 teens aged 12 to 17 and their parents between June 26 and September 24.
35.A.teens | B.adults | C.students | D.parents |
36.A.referring to | B.reporting | C.saying | D.according to |
37.A.other | B.another | C.others | D.the other |
38.A.younger | B.fewer | C.older | D.more |
39.A.by | B.in | C.on | D.through |
40.A.accepted | B.received | C.sent | D.mailed |
41.A.others | B.themselves | C.himself | D.herself |
42.A.habit | B.system | C.method | D.form |
43.A.shared | B.limited | C.tasted | D.controlled |
44.A.remaining | B.gaining | C.maintaining | D.obtain |
45.A.along | B.by | C.as | D.for |
46.A.joy | B.fun | C.excitement | D.delight |
47.A.compared | B.followed | C.combined | D.went |
48.A.friendships | B.scholarships | C.relatives | D.relationships |
49.A.transmitted | B.transformed | C.formed | D.switched |
50.A.containing | B.concluding | C.including | D.concerning |
51.A.comparing | B.compared | C.connected | D.joined |
52.A.limited | B.unlimited | C.few | D.little |
53.A.have | B.same | C.do | D.too |
54.A.do with | B.deal with | C.remove | D.ban |
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