[填空题]News of the most recent technological development was published some years ago.

[单项选择]Technological development has historically been a powerful driver of globalization, especially over the past two centuries. In agriculture, in particular, technical change underpinned the industrial revolution, improvements in nutrition, and a surge in world population. Interactions between population increases and technical changes in agriculture and industry, mostly since the nineteenth century, converged to expand trade and flows of finance and labor. These have been the essence of globalization.
The integration of the world economy would have been impossible without the technological developments in agriculture that proved wrong predictions of the inevitability of world famine. Technology further supported significant improvements in world food production and food security. Although substantial numbers of people are still food insecure, this is due not to lack of overall production but is related to the location of production, income levels, and access to food by countries, ho
A. Trade and flows of finance and labor.
B. Overall increases in food demand and supply.
C. The technical developments in agriculture and industry.
D. The interactions between population and technology.

[单项选择]

Judging from recent surveys, most experts in sleep behavior agree that there is virtually an epidemic of sleepiness in the nation. "I can’t think of a single study that hasn’t found Americans getting less sleep than they ought to." says Dr. David.
The beginning of our sleep deficit crisis can be (1) to the invention of the light bulb a century ago. From diary entries and other personal (2) from the 18th and 19th centuries, sleep scientists have reached the conclusion that the average person used to sleep about 9.5 hours a night. By the 1950s and 1960s, that sleep schedule had been reduced (3) , to between 7.5 and 8 hours, and most people had to wake to an alarm clock. "People cheat on their sleep, and they don’t even (4) they’re doing it," says Dr. David. "They think they’re okay because they can get by on 6.5 hours, when they really need 7.5, 8 or even more to feel ideally (5) <
A. consequences
B. complexity
C. ingenious
D. dramatically
E. suffers
F. tracked
G. realize
H. expensive
I. slightly
J. traced
K. detaches
L. vigorous
M. inspiration
N. accounts