如图所示，甲物体以恒定的速度v追赶前方同一直线上的物体乙，此时乙刚好从静止开始沿同一方向做加速度为a0的匀加速直线运动，当它们速度相等时物体甲刚好在P位置追上物体乙。若乙的加速度改为a1，则下列说法正确的是
A．若a1>a0，则甲在P点左侧追上乙
B．若a1>a0，则甲在P点右侧追上乙
C．若a1<a0，则甲在P点左侧追上乙
D．若a1<a0，则甲在P点右侧追上乙
答案：C
| 方框填词。 | ||
2. She _____ to the office just before lunchtime. 3. The girl seemed to cry. What _____ to her? 4. This is the address. Do you want to _____ it _____? 5. The Chinese are all _____ the 2008 Olympic Games. 6. —Last week we couldn't go to climb Mount Tai _____ the cold weather. —What a pity! 7. Yesterday it rained heavily when school was over. We have to _____ in our classroom. 8. Don't worry. We have _____ time. 9. You look tired. You'd better _____ a good sleep. 10. Autumn is the _____ season of a year. Look! The farmers are working in the field. |