This organization's aim is to____the quality of life and employment opportunities of people with disabilities.
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I would like to thank those organizations that have chosen to____their help to sufferers from AIDS.
水玻璃不能用于涂刷或浸渍(),以提高其抗风化性能。
A. 粘土砖
B. 硅酸盐制品
C. 水泥混凝土
D. 石膏制品
白盒测试是根据程序的( )来设计测试用
A. 功能
B. 性能
C. 内部逻辑
D. 内部数据