为了写文看downforce科普小作文，感觉像在做什么托福阅读，每句话我都能出三种陷阱题。其实一般这种题可以用常识答，但这是阅读理解，它有文字陷阱（抱头
according to the reading material, what crucial role does downforce play in car performance? Select all that applies.
a. Higher the downforce, faster the car.
b. Lower the downforce, slower on the corners.
c. Higher the downforce, slower on the straights.
d. Lower the downforce, faster the car.
e. Higher the downforce, faster on the corners.
f. Lower the downforce, slower on the straights.
读完选项已经死了……