[简答题]A theory is a good theory if it satisfies two requirements: It must accurately describe a large class of observations on the basis of a model that contains only a few arbitrary elements, and it must make definite predictions about the results of future conservation. Newton’ s theory of gravity was based on an even simpler model, in which bodies attracted each other with a force that proportional to a quantity called their mass and inversely proportional to the square of the distance between them.

[简答题]A theory is a good theory if it satisfies two requirements: It must accurately describe a large class of observations on the basis of a model that contains only a few arbitrary elements, and it must make definite predictions about the results of future conservation. Newton’ s theory of gravity was based on an even simpler model, in which bodies attracted each other with a force that proportional to a quantity called their mass and inversely proportional to the square of the distance between them.

[填空题]Your plan is good in theory, but I doubt ______ (实行起来未必能行).

[简答题]Two good ways to prevent attacks of hay fever are to effect a change of climate also to eliminate harmful substances from the environment. B C D

[单项选择]Does the Financial Accounting Standards Board require firms to disclose information about operating leases and detailed information about defined benefit pension plans in the financial statement footnotes Operating lease information Defined benefit pension plans（）①A. Yes No ②B. Yes Yes ③C. No Yes
A. ①
B. ②
C. ③

[单项选择]To know what is good and（）are two different things.
A. doing what is right
B. to do what is right
C. did what was fight
D. to do what was right

[单项选择]What will be a good idea to spend a two- week summer holiday（　）.
A. Visiting only one city by sea with a friend.
B. Visiting only a few cities near the sea with some friends.
C. Visiting some museums and famous palaces in different cities.

[单项选择]Crossing Wesleyan university’s campus usually requires walking over colorful messages chalked on the ground. They can be as innocent as meeting announcements, but in a growing number of cases the language is meant to shock. It’s not uncommon, for instance, to see lewd (淫荡的) references to professors’ sexual preferences scrawled across a path or the mention of the word Nig’ that African-American students say make them feel uncomfortable.
In response, officials and students at schools are now debating ways to lead their communities away from forms of expression that offend or harass (侵扰). In the process, they’re butting up against the difficulties of regulating speech at institutions that pride themselves on fostering open debate.
Mr. Bennet of Wesleyan says he had gotten used to seeing occasional chalkings filled with four-letter words. Campus tradition made any horizontal surface not attached to a building a potential billboard. But when chalkings began taking on a more threat
A. stick up for free speech
B. cleanse the academic setting
C. cut the throat of free speech
D. please the minorities

[单项选择]Crossing Wesleyan University’s campus usually requires walking over colorful messages chalked on the ground. They can be as innocent as meeting announcements, but in a growing number of cases the language is meant to shock. It’s not uncommon, for instance, to see lewd references to professors’ sexual preferences scrawled across a path or the mention of the word "Nig" that African-American students say make them feel uncomfortable.
In response, officials and students at schools are now debating ways to lead their communities away from forms of expression that offend or harass (侵扰). In the process, they’re putting up against the difficulties of regulating speech at institutions that pride themselves on fostering open debate.
Mr. Bennet of Wesleyan says he had gotten used to seeing occasional chalkings filled with four-letter words. Campus tradition made any horizontal surface not attached to a building a potential billboard. But when chalkings began taking on a more threatening
A. stick up for free speech
B. cleanse the academic setting
C. cut the throat of free speech
D. please the minorities