2) The function(s) of weaker T cells:
A. stopping the occurrence of autoimmune response
B. killing the APC
C. being long-lived
D. receiving orders
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3) The function(s) of the antigen-presenting cells:
A. sending out orders
B. receiving orders
C. keeping attacking and killing the beta cells
D. being long-lived
Unit 6 Text C:Complete the summary of the text with NO MORE THAN FIVE WORDS.Provenge was (1) for each patient by (2) his dendritic cells and exposing them to a (3) called prostatic acid phosphatase. Once (4) into the patient, the exposed cells should trigger an(5) on tumor cells. The vaccine’s performance is (6) given its nearly 20-year-old technology, compared with many (7) cancer vaccines. Now a second generation of vaccines aiming at provoking a(8) is under development. For cancer-vaccine developers,(9) is crucial. The struggle to create effective cancer vaccines(10) the memories of the long battle to develop antibody-based therapies: people need to (11) to prove it.
在进行O2O电子商务的时候我们应该注意()
A. O2O模式下产生的高数据流量对移动电子商务的挑战
B. O2O与传统电商差别不大,只需按部就班即可
C. O2O的社交化将进一步加剧
D. 无线网络的稳定性及支付的环境对于O2O的抑制。
在O2O平台上开设店铺的时候,我们需要注意的是
A. 确认你所在的城市是否开站
B. 在标注地理位置的时候一定要仔细准确
C. 在资质审核时,按照提示填写详细信息
D. O2O店铺需要选择“本地服务”