计算机硬件系统由运算器、____、____、输入设备和输出设备等五大基本部分构成。
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图像数字化一般要经过____、____和 ____三____个步骤。
The four basic healthcare system includes_________.
A. The Beveridge Model
B. The Bismarck model
C. The National Health Insurance model
D. The out-of-pocket model
What’re the three basic goals of a health care system?
A. Keeping people healthy
B. Treating the sick
C. Protecting families against financial ruin from medical bills
D. Offering free medical care
The Chinese social security system is based on providing five types of social insurance. They are______.
A. Senior pension insurance
B. Medical insurance
C. Unemployment insurance
D. Maternity insurance
E. Injury at work insurance
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