A typical research report is ( ) of four sections, namely, problem section, procedure section, result section and discussion section.

(单选题)According to the passage, how much will it cost if one uses (单选题)According to the passage, which is NOT the factor that makes (单选题)What is mainly discussed in the passage? ( ) (单选题)What can we learn from the passage? ( ) (单选题)How do the local governments view the scooters? ( ) (单选题)( ) are used to show the ( ) of the company. (单选题)The passage supplies information that would answer which of (单选题)The steering wheel in the Mercedes logo and the airplane tai (单选题)You probably find a logo of a big company ( ). (单选题)According to the passage, what can attract customer's eyes?