Please [u]      [/u] the sound on the TV. A: modulate B: removal C: superficial

EBD, short for Electronic Brake-force Distribution, as the subsystem of ABS, is designed to automatically modulate the brake force on the front wheels and the rear wheels according to the load of the car, the condition of the road and the adhesion between the tire sand road surface in order to get more balanced and closer to the ideal brake force distribution．

Which of the following is NOT true of interleukins? () A: They<br/>are cytokines which can be produced by various cells of the immune<br/>system. B: They<br/>are hormones which allow one cell to communicate with another cell. C: They<br/>are in need of receptors on the target cell in order to mediate their<br/>effects. D: They<br/>are able bind antigen with a high level of specificity. E: They<br/>are able to modulate various aspects of the B-cell arm of immune<br/>system.