更多"Over the past 20years , the interne"的相关试题:
[单项选择].Over the past 20 years，the Internet bas helped change our world in either Way or another for the better.
A B C D
[填空题]Over the past decade there has appeared an ever-growing interest in building the tallest skyscrapers in the developing countries in Asia.
[填空题]Our sleep time over the past century has been{{U}} (36) {{/U}}by almost 20 percent.
Generally, adults need to sleep one hour for every two hours{{U}} (37) {{/U}}, which means that most need about eight hours of sleep a night. Of course, some people need more and some less. Children and teenagers need an average of about ten hours.
The brain keeps an exact{{U}} (38) {{/U}}of how much sleep it is owed. My colleagues and I{{U}} (39) {{/U}}the term sleep debt because{{U}} (40) {{/U}}lost sleep is like a{{U}} (41) {{/U}}debt: it must be paid back. If you get an hour less than a full night’s sleep, you carry an hour of sleep debt into the next day—and your{{U}} (42) {{/U}}to fall asleep during the daytime becomes stronger.
During a five-day{{U}} (43) {{/U}}, if you get six hours of sleep each night instead of the eight you needed,{{U}} (44) {{/U}}. Because sleep debt accumulates in an additive fashion,{{U}} (45) {{/U}}From this perspective, sleeping until noon
[简答题]Over the past ten years, a huge change has taken place in China’s economy. The traditional economic system has been transformed, and a new market economic system has been established. The national economy continued to increase by 10% for five years, Additionally, the Chinese Government has taken effective steps to increase its exports to the United States and European countries.
[填空题]Over the past few years, the young man has ______ (表现出了一名优秀经理的潜质)
[单项选择]A. over past 50 years
B. for more than four decades
C. by more than 50 percent
D. for home energy use
E. as a raw material
F. beneath the earth’s surface
When manufacturing many different products, people commonly use natural gas
