According to the passage , air bags are another device that__（）
A. adds safety to car driving
B. is going to replace seat belts
C. comes out slowly to function
D. prevents cars from runnibg too fast
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This advertisement aims to_______（）
A. improve the relationship between companies
B. stress the importtant role of art in education
C. attract MOCA members to the programs
D. raise funds for museums of modern art
So when were not together, we__ by text or calls（）
A. in touch with
B. are with
C. keep in touch
D. keep
Those who want to attend lectures by Art Make Good Business speakers must___（）
A. make a booking
B. pay additional fees
C. understand modern art
D. be successful managers
C#中的数值类型不包括（）
A. float
B. double
C. long double
D. decimal
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