【简答题】翻译下列句子 1. A 4.5 percent increase in social welfare spending reflects the costs involved in an aging society and declining birthrate. 2. To boost the international competitiveness of domestic companies...
【单选题】Passage 3All kinds of pollution as well as the depletion of natural resources (such as fuels, forests, and soil) by carelessly wasteful use, have worried scientists and other thoughtful people. Such p...
A.
Scientists are worried about the depletion of natural resources.
B.
Farmers use chemical fertilizers to destroy insects and weeds.
C.
There haven't been attempts to alert the public to control pollution.
D.
The yearly celebration of Earth Day raised people’s awareness of pollution problem.