—That's right. What's worse, the price of oil has increased ________ 60 percent.
如图所示,AB为斜面,BC水平面.从A点以水平初速度v向右抛出一小球,其第一落点与A的水平距离为s1;从A点以水平初速度2v向右抛出一小球,其第一落点与A的水平距离为s2.不计空气阻力,则s1:s2可能为( )
读某区域2月大洋表面海水等温线分布图,完成下列各题。
Our football team will compete against the Japanese team this evening. Let's go and_____them_____,shall we?