短文改错
Last summer, I participated in the Secondary School Program in Harvard. I spent half of the day in my class and homework, and then I'd be free to do I wanted. Since my course was a 8-credit one, it was a lot faster than other summer school course. I had to learn how to keep up with it the pace of my class and study efficient. For me, taking notes were of great help. I also come to know many professors who were available for extra help whenever I needed it. The resources and opportunities combined with the environment here made me want to attending Harvard even more.
语篇语法填空
Technological changes brought dramatic new options to Americans 1.(live) in the 1990s. During this decade new forms of entertainment, commerce, research, and communication 2.(become) commonplace in the U. S. The driving force behind much of this change was an innovation popularly known as the Internet.
The Internet was developed during the 1970s by the Department of Defense. In the case of an attack, military advisers suggested 3. advantage of being able to operate one computer from another terminal. In the early days, the Internet was used mainly by scientists to communicate with other scientists.
One early problem faced by Internet users was speed. Phone 4.(line) could only transmit information at a limited rate. The development of fiber-optic(光纤) cables allowed billions of bits of information 5.(receive) every minute. Companies like Intel developed faster microprocessors, so personal computers could process the incoming signals more 6.(rapid).
In the early 1990s, the World Wide Web was developed, in large part, 7. commercial purposes. Corporations created home pages 8. they could place text and graphics to sell products. Soon airline tickets, hotel reservations and even cars could be purchased online. Universities posted research data on the Internet, so students could find 9.(value) information without leaving their dormitories. Companies soon discovered that work could be done at home and submitted online, so a whole new class of telecommuters began to earn a living from home offices unshaven and 10.(wear) pajamas(睡衣).
People live in the present. They plan for the future. History, ______, is the study of the past. Given all the ______ and pressures that come from living in the present and ______ what is yet to come, why bother with what has been? Given all the available branches of knowledge, why insist - as most ______ systems do - on history? And why encourage many students to study even more history than they are _____ to?
Any subject of study needs to be______: supporters must explain why it is worth ______. Like most widely accepted _____, history attracts people who simply ______ the information and modes of thought involved. But for people who are less interested in the subject and more ______ about why they should bother with it, a clearer explanation of its purpose is required.
____ do not perform heart transplants, improve highway design, or arrest criminals. In a society that quite correctly expects education to serve ______ purposes, history’s functions can seem more ______ to determine than those of engineering or medicine. History is in fact very useful, actually _____, but the products of historical study are often less ______ and immediate than those of other subjects.
History helps us understand people, societies and how they ______. For example, how can we ______ past wars (and future threats) without using historical materials? Unfortunately, major aspects of a society’s operation cannot be set up as precise experiments. ______, history must serve, however imperfectly, as our ______, helping us understand who we are and why we do what we do. This, fundamentally, is why we cannot ______ history.
1.A.otherwise B.besides C.however D.therefore
2.A.causes B.demands C.choices D.orders
3.A.avoiding B.fearing C.celebrating D.expecting
4.A.financial B.social C.educational D.political
5.A.required B.invited C.forced D.permitted
6.A.introduced B.explored C.justified D.dropped
7.A.protection B.attention C.expectation D.mention
8.A.subjects B.concepts C.topics D.concerns
9.A.provide B.receive C.share D.like
10.A.doubtful B.worried C.thoughtful D.certain
11.A.Supporters B.Historians C.Audiences D.Teachers
12.A.public B.multiple C.different D.useful
13.A.difficult B.sensible C.secure D.beneficial
14.A.optional B.attractive C.accessible D.vital
15.A.valuable B.interesting C.obvious D.instructive
16.A.feel B.behave C.fight D.live
17.A.prevent B.remember C.evaluate D.declare
18.A.Consequently B.Alternatively C.Fortunately D.Admittedly
19.A.library B.laboratory C.clinic D.museum
20.A.make up for B.give in to C.get close to D.stay away from
I'm trying to ______ an interest in classical music in my children, which I think is good for their future development.
A.foster B.clarify C.express D.discourage
You are being such a busybody. How I choose to conduct my private life is my own _______!
A.experience B.agenda C.business D.problem
While the kids were making their decisions, they were periodically shown TV _________, some for fast food outlets and some for non-food businesses.
A.programs B.news C.movies D.commercials