单项选择题

According to scientists, to keep down concentrations of greenhouse gases, we should______.

A．stop gas emissions
B．lower the temperature
C．reduce the use of coal, oil, and gas
D．cut off the use of coal, oil, and gas
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following suffered the greatest economic loss in the 10 hottest years
A．The Midwestern.
B．The southern United States.
C．Walt Disney World’s water parks.
D．Insurance Companies.
单项选择题
In comparison with traditional homes the advantages of modem self-sufficient homes are______.
A．based on short-term benefits
B．based on the long-term sustainability
C．free from severe weather, climate changes, natural disasters, etc.
D．fresh and nutritious, free from global unrest
相关试题