According to the passage, who has/have the legal responsibility to decide on euthanasia
A. The national or state government.
B. The patient's relatives.
C. Physicians in charge of the patient.
D. The answer varies from country to country.
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A problem for America's Second Harvest a few years ago was that ______.
A. it did not get enough food from donors
B. it did not have a large enough network
C. it did not have enough soup kitchens
D. it did not have a good way to manage its food stock
Windows98不支持的文件系统是（）。
A. NTFS
B. FAT16
C. FAT32
D. CDPS
What is the most important factor that leads to the rise in living standards of average people
A. Labor unions.
B. Minimum-wage laws.
C. Rising productivity.
D. Favorable public policy.
下列多媒体文件的扩展名为．WAV的是（）。
A. 音频
B. 乐器数字
C. 动画
D. 数字视频
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