When a new technological innovation appears, businesses should______.
A. seize on the opportunity and invest heavily in it so as to reap its future benefits
B. use it as a means to catch up with larger companies, if the investor is a smaller business
C. base its actions on its research and beliefs regarding its future profitability
D. refrain from investing heavily, in case its effect is small or none
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接通或断开汽油喷射系统总电源的继电器称为电路断开继电器。控制燃油泵接通的继电器称为主继电器。()