Over a six-week period in July and August 2003, more than 11, 400—mainly elderly people—died in France from dehydration (脱水) and extremely high body temperature in a deadly heat wave. Heat waves of similar intensity (强度) are expected every seven years by 2050, so what can be done...
An independent organization called World Commission on Dams worked during the late 1990s to suggest ways of reducing problems caused by some large dams. The commission recommended that the research, the group decision-making, and the creation of a plan all take place before the start of constructi...
The major challenge of this century is to find ways to meet the needs of growing population within the limits if this single planet. That is no small task, but it offers abundant new chances for sustainable product industries.【1】The traditional business model is harmful because of all the ...
aAging is a natural process. Although medical advancements have come up with ways to cover signs of aging, there is no stopping the process. During the closing period in the lifespan of human beings, people tend to “move away” from more desirable previous periods, often known as “usefuln...
NCS were also defined as having no net negative impact on food and fiber supply and no net harm to biodiversity, while ensuring actions are implemented in socially and culturally responsible ways4,5. In the past six years, interest in NCS has increased dramatically. The conversation has trip...
19.When did Spanish explorers bring tomato plants to Europe A.About three centuries ago.B.About four centuries ago.C.About five centuries ago.20.Who was the first person in Europe to eat tomatoes A.An Australian. B.An Italian. C.An Englishman.21.What did people in other countries like ...
16.How will the speakers go to the museum probably? A. By car. B. By bike. C. On foot. 听材料,回答问题。 17.What did John enjoy doing in his childhood? A. Touring France. B. Playing outdoors.C. Painting pictur...
Teaching aids 教具准备 The multimedia computer Teaching procedures & ways 教学过程与方式 Step I Lead in Play the song, "Pass It On Down" by Alabama. Ask students what this song means to them. What is the song trying to say? Then brainstorm about the problems the earth has and is...
Natural selection is the engine that drivesevolution. The individual organisms with the variation best suited to survive in their particular circumstances have a greater chance of passing that trait on to the next generation. But plants and animals interact in very complex ways with other organisms ...
A.There are ways to protect yourself. B.Then smoke loses its terrible smell. C.And many can be harmful in large amounts. D.They are designed to block the smallest particles. E.These wild fires are going to be burning all summer. ...