―There is still a copy of the book in the library. Will you go and borrow ______?( ) ―No, I’d rather buy _____ in the bookstore. A. it; one B. one; one C. one; it D. it; it 答案:A 11.如图所示,两条曲线为汽车a、b在同一条平直公路上的v-t图象,已知在t2时刻,两车相遇,下列说法正确的是( )A.在t1~t2时间内,a车加速度先增大后减小B.在t1~t2时间内,a车的位移比b车的小C.t2时刻可能是b车追上a车D.t1时刻前的某一时刻两车可能相遇