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1.While the kinds of instruction offered in these programs will differ, DL usually signifies a

course in which the instructions post syllabi（课程大纲）, reading assignments, and schedules on Websites, and students send in their assignments by e-mail.(07-12)

2.The more students who enroll in a course but don’t come to campus, the more the school

saves on keeping the lights on in the classroom, paying doorkeepers, and maintaining parking lots. (07-12)

3.Staying back and giving kids space to grow is not as easy as it looks. Because I know very little

about farm animals who use tools and angels who go to first grade. I had to accept the fact that I was cooping（借用）my daughter’s experience. (07-12)

4.While stepping back was difficult for me, it was certainly a good first step that I will quickly

follow with more steps, putting myself far enough to give her room but close enough to help if asked. (07-12)

5.And, while there’s evidence that instructors must work harder to run a DL course for a variety

of reasons, they won’t be paid any more, and might well be paid less. (07-12)

6.They （指Most Americans）fail to grasp that welcoming foreign students to the United States

has two important positive effects: first, the very best of them stay in the states and --- like immigrants throughout history --- strengthen the nations; and second, foreign students who study in the United States become ambassadors for many of its most cherished values when they return home. (07-12)

7.Identity theft and identity fraud are terms used to refer to all types of crime in which

someone wrongfully obtains and uses another person’s personal data in some way that involves fraud or deception, typically for economic gain. (07-06)

8.Unlike your fingerprints, which are unique to you and cannot be given to someone else for

their use, your personal data, especially your social security number, your bank account or credit card number, your telephone calling card number, and other valuable identifying data, can be used if they fall into the wrong hands, to personally profit at your expense. (07-06)

9.In the United States and Canada, for example, many people have reported that unauthorized

persons have taken funds out of their bank or financial accounts, or, in the worst cases, taken over their identities altogether, running up vast debts and committing crimes while using the victims’ names. (07-06)

10.In many cases, a victim’s losses may include not only out-of-pocket financial losses, but

substantial additional financial costs associated with trying to restore his reputation in the community and correcting erroneous information for which the criminal is responsible.(07-06)

11.While they can’t merely be willed away, I do recommend you remind yourself that whatever

happened is in the past, and nothing can change that. (06-12)

12.After all, if it’s true that what goes around comes around, why not make sure that what’s

circulating around you is the good stuff? (06-12)

13.Even people who have a physical disease or handicap(缺陷) may be “well”, in this new sense,

if they make an effort to maintain the best possible health they can in the face of their physical limitations.(06-12)

14.Nevertheless, soft-drink companies view bottled water as the next battle-ground for market

share ----- this despite the fact that over 25percent of bottled water comes from tap water: Pepsi Co’s Aquafina and Coca-Cola’s Dasani are both purified tap water rather than spring water.

15.Modern cars are far tougher to steal, as their engine management computer won’t allow

them to start unless they receive a unique ID code beamed out by the ignition（点火）key.

(06-06)

16.We go from thinking “ I just want to make sure the playground is sure” to “ Will he be okay

walking to the mall himself?” to “ How can I be certain that boy will drive carefully?” We try to protect our children with the same rules that our parents taught us when we were little.

(06-06)

17.Innovative designs of roadways, tunnels, bridges, overpasses, and interchanges that could

run through or bypass urban areas soon began to weave their way across the country forever altering the face of America. (06-06)

英语四级必看英语语法(全)

all the same 仍然,照样的as regards 关于,至于anything but 根本不as a matter of fact 实际上 apart from 除...外(有/无) as a rule 通常,照例 as a result(of) 因此,由于as far as ...be concerned 就...而言as far as 远至,到...程度as for 至于,关于 as follows 如下as if 好像,仿怫 as good as 和...几乎一样as usual 像平常一样,照例 as to 至于,关于all right 令人满意的;可以 as well 同样,也,还as well as 除...外(也),即...又

aside from 除...外(还有) at a loss 茫然,不知所措 at a time 一次,每次at all 丝毫(不),一点也不 at all costs 不惜一切代价at all events 不管怎样,无论如何at all times 随时,总是at any rate 无论如何,至少 at best 充其量,至多at first 最初,起先 at first sight 乍一看,初看起来at hand 在手边,在附近 at heart 内心里,本质上at home 在家,在国内 at intervals 不时,每隔... at large 大多数,未被捕获的 at least 至少at last 终于 at length 最终,终于at most 至多,不超过

at no time 从不,决不by accident 偶然 at one time 曾经,一度;同时at present 目前,现在 at sb’s disposal 任...处理at the cost of 以...为代价 at the mercy of 任凭...摆布at the moment 此刻,目前 at this rate 照此速度 at times 有时,间或back and forth 来回地,反复地 back of 在...后面before long 不久以后 beside point 离题的,不相干的beyond question 毫无疑问by air 通过航空途径by all means 尽一切办法,务必 by and by 不久,迟早by chance 偶然,碰巧

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