[填空题]The first use of the term organic farming is usually credited to ______ in his 1940 book Look to the Land.

[填空题]The first use of the term "organic farming" is usually credited to ______ in his 1940 book, Look to the Land.

[单项选择]Organic Food
Organic farming was among the fastest growing segments of U.S. agriculture during the 1990s. The value of retail. sales of organic food was estimated to be $16 billion in 2004. According to the Food Marketing Institute, more than half of Americans now buy organic food at least once a month. Why is organic food becoming so popular
What is Organic Food
In December 2000, the National Organic Standards Board of the U.S. Department of Agriculture (USDA) established a national standard for the term "organic". Organic food, defined by how it cannot be made rather than how it can be made, must be produced without the use of sewer-sludge fertilizers, most synthetic fertilizers and pesticides, genetic engineering (biotechnology), growth hormones, irradiation and antibiotics. A variety of agricultural products can be produced organically, including produce, grains, meat, dairy, eggs, and processed food products.
"Organic" does not mean "natural". There i

[填空题]Seymour Cray was the first to make use of vector processing.

[单项选择]When did people first begin to use stamps[A] In the early 19^th century.[B] On May 6,1840.[C] On May 6,1814.

[单项选择]

When we think of Hollywood—a term I use loosely to describe American movie production in general, not simply films made in Los Angeles — we think of films aimed at musing audiences and making money for producers.
During the early years of the new century, as workers won their demands for higher wages and a shorter working week, leisure assumed an increasingly important role in everyday life. Amusement parks, professional baseball games, nickelodeons, and dance halls attracted a wide army of men and woman anxious to spend their hard-earned dollars in the pursuit of fun and relaxation. Yet of all these new cultural endeavours, films were the most important and widely attended source of amusement. For a mere five or ten cents, even the poorest worker could afford to take himself and his family to the local nickelodeon or storefront theatre "Every little town that has never been able to afford and maintain an opera house," observed one journalist in 1908
A. American movies production in general
B. films made in Los Angeles
C. an area in Los Angeles, famous because many popular films have been produced there
D. film aimed at amusing audiences and making money for them

[单项选择]（）the first to use nuclear weapons.
A. By no means they will be
B. At no time will they be
C. They never will be
D. On no account they will be