It is usually difficult to caculate the value of benefits compared with one's salary.

A、high catalytic efficiency

B、high specificity for substrates

C、can lower the activation energy of reactions

D、can't change the equilibrium of reactions

E、enzyme activity can be regulated

China's Company A intends to make a selling offer for 1,000 pieces of men's shirts, 100% cotton, with 5% commission included, under CIF Los Angeles. The shirts will be purchased from a domestic supplier at CNY 76.00 per set (included 13% VAT). Tax will be rebated at 13% for export. The shirts are to be purchased with loan from bank for 60 days at the annual rate of 5%. The expected expense for domestic transport, inspection, custom clearance, port affairs, public relations are CNY 1,200, CNY 200, CNY 100, CNY 1,200, and CNY 1,000 respectively. Bank charges at 0.5% of the involved amount in international settlement. Ocean Freight and insurance premium for each piece are USD 1.45 and USD 0.6 respectively. The expected profit on sales is 10%. The exchage rate is CNY 7.12 for each US dollar. (1) Please calculate the price for Company A. (2) Please write down the unit price in English.

China's Company A made an offer to American Company B on October 2 for 500 dozen Men's Shirts, 100% Cotton, at USD 84.50 per dozen CIF New York, subject to B's reply reaching before October 15. A received a reply from B on October 10, “Your price is on the high side. We can accept your offer at USD 80 per dozen.” A received another email from B on October 13, “We accept your offer of October 2. The relevant L/C has been established.” A didn't made any response or delivery for the price was increasing. Later, B insisted A broke the contract and claimed for compensation. Question: Do you agree with B? Why?

China's Company A concluded a contract with an Indian company on FCA Shanghai Airport. As contracted, goods should be delivered during August, and the buyer will pay the full price of USD 50,000 by T/T against the airline's advice of arrival. A got the Airway Bill after handing over the goods to the airline at Shanghai airport on August 31 and sent a shipping advice to the Indian company. The goods arrived at Bombay on September 2 and an advice of arrival was dispatched to the nominated bank who notified the Indian company to get documents and make payment. However, the price for wrist watches began to decrease, thus the Indian company refused to take delivery for A's late delivery. Was A's delivery late? Why?

A、industry data.

B、client-determined expected results.

C、similar prior-period data.

D、all of the above.

Pet Products Company uses an automated process to manufacture its pet replica products. For June, the company had the following activities: Beginning work in process inventory 4,500 items, 1/4 complete Units placed in production 15,000 units Units completed 17,500 units Ending work in process inventory 2,000 items, 3/4 complete Cost of beginning work in process $5,250 Direct material costs, current $16,500 Conversion costs, current $23,945 Direct materials are placed into production at the beginning of the process and conversion costs are incurred evenly throughout the process. Required: Prepare a production cost worksheet using the FIFO method.

Week 10 For some writing situations comparison and contrast is a basic strategy. Chances are that we will confront many test questions and essay assignments asking us to compare (likeness) and/or contrast (difference) two persons, places, or things (texts, theories, scientific processes, and so on). "Classic" compare-and-contrast papers, in which you weight A and B equally, may be about two similar things that have crucial differences (two pesticides with different effects on the environment) or two similar things that have crucial differences, yet turn out to have surprising commonalities (two politicians with vastly different world views who voice unexpectedly similar perspectives on sexual harassment). Your introduction will include your frame of reference, grounds for comparison, and thesis. There are two basic ways to organize the body of your paper. In text-by-text (block), you discuss all of A, then all of B. In point-by-point, you alternate points about A with comparable points about B. But no matter which organizational scheme you choose, you need not give equal time to similarities and differences. In fact, your paper will be more interesting if you get to the heart of your argument as quickly as possible. Thus, a paper on two evolutionary theorists' different interpretations of specific archaeological findings might have as few as two or three sentences in the introduction on similarities and at most a paragraph or two to set up the contrast between the theorists' positions. The rest of the paper, whether organized text- by-text or point-by-point, will focus on the two theorists' differences. Now choose one of the following topics and develop it into an essay of no less than 200 words. 1. Online Learning & Classroom Learning. 2. Living on Campus & Living off Campus.

An article published recently in the prestigious scientific journal Nature is shedding new light on an important, but hitherto little has been appreciated, aspect of human evolution. In this article, Professors Dennis Bramble and Daniel Lieberman suggest that the ability to run was. a crucial factor in the development of our species. According to the two scientists, humans possess a number of anatomical features that make them surprisingly good runners. "We are very confident that strong selection for running — which came at the expense of the historical ability to live in trees — was instrumental in the origin of the modern human body form," says Bramble, a biology professor at the University of Utah.

Traditional thinking up to now has been that the distinctive, upright body form. of modern humans has come about as a result of the ability to walk, and that running is simply a by-product of walking. Furthermore, humans have usually been regarded as poor runners compared to such animals as dogs, horses or antelopes. However, this is only true if we consider fast running, or sprinting, over short distances. Even an Olympic athlete can hardly run as fast as a horse can gallop, and can only keep up a top speed for fifteen seconds or so. Horses, antelopes and greyhounds, on the other hand, can run at top speed for several minutes, clearly outperforming us in this respect. But when it comes to long-distance running, humans do astonishingly well. They can maintain a steady pace for miles, and their overall speed compares favourably with that of horses or dogs.

Bramble and Lieberman examined twenty-six anatomical features found in humans. One of the most interesting of these is the nuchal ligament, a band of tissue that extends from a ridge on the base of the skull to the spine. When we run, it is this ligament that prevents our head from pitching back and forth or from side to side. Therefore, we are able to run with steady heads, held high. The nuchal ligament is not found in any other surviving primates, although the fossil record shows that Homo erectus, an early human species that walked upright, much as we do, also had one. Then there are our Achilles tendons at the backs of our legs, which connect our calf muscles to our heel bones -- and which have nothing to do with walking. When we run, these tendons behave like springs, helping to propel us forward. Furthermore, we have low, wide shoulders, virtually disconnected from our skulls, another anatomical adaptation which allows us to run more efficiently. Add to this our light forearms, which swing out of phase with the movement of our legs to assist balance, and one begins to appreciate the point that Bramble and Lieberman are trying to make.

But what evolutionary advantage is gained from being good long-distance runners? One hypothesis is that this ability may have permitted early humans to obtain food more effectively. "What these features and fossil facts appear to be telling us is that running evolved in order for our direct ancestors to compete with other carnivores for access to the protein needed to grow the big brains that we enjoy today," says Lieberman.

The human ability to run ______.

A．was only recently described in a scientific journal

B．played an important part in human evolution

C．is now regarded as more important than the ability to climb trees

D．is surprising when we consider evolutionary trends