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更多“The input is typically 10 pA, an amount small enough to be ignored in many cases.”相关的问题
A、increase
B、decrease
C、unchanged
D、unable to determine
A、depends upon the values of external reactive components
B、depends upon the values of stray reactance
C、is negligible in most instances
D、is unpredictable
【填空题】The typical letter input device is （1）. It is also one of the most common （2） devices. The keyboard has （3） for characters (letters, numbers and punctuation marks) and special （4）. Pressing the keys tells the （5） what to do or what to write. The most widely used pointing （6） is the mouse. A mouse controls a （7） on the monitor which usually appears in the shape of an arrow. A mouse can have one, two or three （8）, which are used to select command options and to control （9） presented on the （10）.
The following statements have been made about environmental cost accounting:
(1) The majority of environmental costs are already captured within a typical organisation’s accounting system. The difficulty lies in identifying them
(2) Input/output analysis divides material flows within an organisation into three categories: material flows; system flows; and delivery and disposal flows
Which of the above statements is/are true？
A.1 only
B.2 only
C.Neither 1 nor 2
D.Both 1 and 2
The Carter Company makes products A and B in a joint process from a single input, R. During a typical production run, 50,000 units of R yield 20,000 units of A and 30,000 units of B at the split-off point. Joint production costs total €90,000 per production run. The unit selling price for A is €4 and for B is €3.80 at the split-off point. However, B can be processed further at a total cost of €60,000 and then sold for €7.00 per unit. In a decision between selling B at the split-off point and processing B further, which of the following items is not relevant？
A、The €60,000 cost to process B beyond the split-off point
B、The portion of the €90,000 joint production cost allocated to B
C、The €3.80 unit sales price of B at the split-off point
D、The €7 unit selling price for B after further processing
TechSupportis a program intended to provide technical support for customers of the fictitious DodgySoft company. Some time ago, DodgySoft had a technical support department with people sitting at telephone where customers could call to get advice and help with their technical problems with the DodgySoft products. Recently, though, business has not been going so well, and DodgySoft decided to get rid of the technical support department to save money. They now want to develop theTechSupportsystem to give the impression that support is still provided. The system is supposed to mimic the responses a technical support person might give. Customers can communicate with the technical support system online.
The plan is that we shall have a set of words that are likely to occur in typical questions and we will associate these words with particular responses. If the input from the user contains one of our known words we can generate a related response. To make it more nature, one word may be associated with several different answers which will be randomly picked when the word encountered.
The user interface is quite straightforward: The user inputs a sentence and the program answers. Your program should be able to split the user input into words and find "key words" inside them. Then for every key word, try to decide a "suitable" (random) answer and print it out. For a sentence with more than one key word, you may have your own way to deal with it, like to print only one or all of them.
Coral reefs are one of the most fragile, biologically
complex, and diverse marine ecosystem on Earth. This
ecosystem is one of the fascinating paradoxes of the bio-
sphere: how do clear, and thus nutrient-poor, waters sup-
(5) port such prolific and productive communities？ Part of the
answer lies within the tissues of the corals themselves.
Symbiotic cells of algae known as zooxanthellae carry out
photosynthesis using the metabolic wastes of the coral
thereby producing food for themselves, for their corals,
(10) hosts, and even for other members of the reef community.
This symbiotic process allows organisms in the reef com-
munity to use sparse nutrient resources efficiently.
Unfortunately for coral reefs, however, a variety of
human activities are causing worldwide degradation of
(15) shallow marine habitats by adding nutrients to the (water.
Agriculture, slash-and-burn land clearing, sewage disposal
and manufacturing that creates waste by-products all
increase nutrient loads in these waters. Typical symptoms
of reef decline are destabilized herbivore populations and
(20)an increasing abundance of algae and filter-feeding
animals.
Declines in reef communities are consistent with observa-
tions that nutrient input is increasing in direct proportion to
growing human populations, thereby threatening reef com-
(25) munities sensitive to subtle changes in nutrient input to
their waters.
The passage is primarily concerned with______
A．describing the effects of human activities on algae in coral reefs
B．explaining how human activities are posing a threat to coral reef communities
C．discussing the process by which coral reefs deteriorate in nutrient-poor waters
D．explaining how coral reefs produce food for themselves
E．describing the abundance of algae and filter-feeding animals in coral reef areas
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 threatening and lewd tone, Bennet decided to act. "This is-not acceptable in a workplace and not acceptable in an institution of higher learning," Bennet says. For now, Bennet is seeking input about what kind of message-posting policy the school should adopt. The student assembly recently passed a resolution saying the "right to speech comes with implicit responsibilities to respect community standards".
Other public universities have confronted problems this year while considering various ways of regulating where students can express themselves. At Harvard Law School, the recent controversy was more linked to the academic setting. Minority students there are seeking to curb what they consider harassing speech in the wake of a series of incidents last spring.
At a meeting held by the "Committee on Healthy Diversity" last week, the school's Black Law Students Association endorsed a policy targeting discriminatory harassment. It would trigger a review by school officials if there were charges of "severe or pervasive conduct" by students or faculty. The policy would cover harassment based on, but not limited to, factors such as race, religion, creed, sexual orientation, national origin, and ethnicity (种族划分).
Boston attorney Harvey Silverglate, says other schools have adopted similar harassment policies that are actually speech codes, punishing students for raising certain ideas. " Restricting students from saying anything that would be. perceived as very unpleasant by another student continues uninterrupted," says Silverglate. who attended the Harvard Law town meeting last week.
What is the typical scene found in the campus of Wesleyan University？
A．Pieces of chalk are scattered everywhere on the ground.
B．There are some meeting announcements on the billboard.
C．All kinds of messages are written on the paths.
D．Some people are shocked by the meeting announcements.
In resp0nse, officials and students at schools are now debating ways to lead their communities away from forms of expression that offend or harass. 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 and obscene tone, Bennet deeided to act. "This is not acceptable in a workplace and not acceptable in an institution of higher learning," Bennet says. For now, Bennet is seeking input about what kind of message-posting policy the school should adopt. The student assembly recently passed a resolution saying the "right to speech comes with implicit responsibilities to respect community standards".
Other public universities have confronted problems this year while considering various ways of regulating where students can express themselves. At Harvard Law School, the recent controversy was more linked to the academic setting. Minority students there are seeking to curb what they consider harassing speech in the wake of a series of incidents last spring.
At a meeting held by the "Committee on Health Diversity" last week, the school's Black Law Students Association endorsed a policy targeting discriminatory harassment. It would trigger a review by school officials if there were charges of "severe or pervasive conduct" by students or faculty. The policy would cover harassment based on, but not limited to, factors such as race, religion, creed, sexual orientation, national origin, and ethnicity.
Boston attorney Harvey Silverglate, says other schools have adopted similar harassment policies that are actually speech codes, punishing students for raising certain ideas. "Restricting students from saying anything that would be perceived ns very unpleasant by another student continues uninterrupted," says Silverglate, who attended the Harvard Law Town Meeting last week.
What is the typical scene found in the campus of Wesleyan University？
A．Pieces of jokes are written in almost every WC.
B．There are some meeting announcements on the billboard.
C．All kinds of messages are written on the paths.
D．Some people are shocked by the meeting announcements.
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