更多"The passage is mainly about feature"的相关试题:
[单项选择]What is this passage mainly about
A. Approaches to the commercial use of computers.
B. Conveniences brought about by computers in business.
C. Significance of automation in commercial enterprises.
D. Advantage of credit cards in business.
[单项选择]What is the passage mainly about
A. AIDS study raises hopes for gene therapy treatment.
B. A new killer of HIV virus.
C. Research on gene therapy.
D. Gene therapy proves to be the ultimate solution to HIV infection.