A：逐渐增大
B：逐渐减小
C：先增大，后减小
D：先减小，后增大
炼____ 睁____ 隆____ 然____ 冶____
练____ 挣____ 窿____ 燃____ 治____
One day Eddie and Hobo looked at the ____. Eddie thought he saw a____but Hobo thought it was a ____. Because Hobo saw one ____. Eddie thought there were many bright ____and it was too____, so it couldn't be a plane.
一辆巡逻车最快能在10s内由静止加速到最大速度40m/s，并能保持这个最大速度匀速行驶．在平直的高速公路上，若该巡逻车由静止开始启动加速，追赶前方1200m处正以30m/s的速度匀速行驶的一辆违章卡车．则求出
-- Mum, I have nothing to do in my free time but do homework.
-- My dear, you should ___ a hobby like drawing or taking photos.
