题目内容
（请给出正确答案）
[主观题]
After thinking hard about why I did not have enough time for my schoolwork, I became _____
_that I watched too much TV.
A．doubtful
B．worried
C．puzzled
D．aware
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we breathe and the water we drink, strip mining, dam and road building, noise pollution, offshore oil drilling, nuclear energy, waste disposal, the use of aerosol cans and nonreturnable beverage containers and a host of other issues. In fact, there is hardly a realm of national life that is not touched by the controversy that often pits those who style. themselves environmentalists against proponents of economic growth in our energy-consuming society. The problem is to balance the needs of the environment against those of the economy or consumers trying to cope with the high cost of living without destroying the earth on which we all depend. In this sense, it is important how nations should go about making environmental policies choice. Public awareness education on environment should be enhanced among citizens.
