Finally, the function of multimedia in task-based culture teaching and Business English teaching are discussed with the aim to provide practical AIDS for teachers.

最后，本文讨论了多媒体在商务英语教学中任务型文化教学中的作用。

Screening for AIDS patients with early detection and timely treatment and prevent the further spread of the HIV epidemic and has important practical significance.

艾滋病筛查对于患者的及早发现和及时治疗，以及防止艾滋病病毒的进一步传播和流行，具有重要的现实意义。

Economics is of practical value in business, for it AIDS in making decisions and establishing policies.

经济学在商业中具有实用价值，有助于做出据侧。制定政策。

The article introduces the study advance of the gene therapy and the clinical practical concerns of the gene therapy from the three aspects of gene therapies of solo gene disease, tumour and AIDS.

从单基因疾病的基因治疗、肿瘤的基因治疗和AIDS疾病的基因治疗三个方面介绍基因治疗的研究进展及基因治疗在临床上的应用概况。