12.When you purchase your books for this course from an online source such as Amazon.com, you are participating in which type of e-commerce?
A.I-BC
B.E-CB
C.C2B
D.B2C
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17.Which type of e-commerce model typically requires the use of an intermediary organization to complete transactions?
A.B2C
B.G2C
C.C2C
D.C2B
18.eBay is a hybrid of both:
A.a B2G e-commerce site and a G2C e-commerce site.
B.a G2C e-commerce site and a C2G e-commerce site.
C.a B2B e-commerce site and a C2B e-commerce site.
D.a B2C e-commerce site and a C2C e-commerce site.
下列哪个手法最有利于痰液排出
A. 拍法
B. 㨰法
C. 推法
D. 揉法
E. 摩法
下列手法适合在头部操作的手法有
A. 棒击法
B. 㨰法
C. 搓法
D. 抖法
E. 五指击法
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