在比赛过程中,因为来球方向的不确定性,可以不需要不断转换握拍方法
A. 对
B. 错
反手发球时,脚可以越过发球线。
A. 对
B. 错
Fill the blanks with the given words.JapaninstructorIrelandengineerdinerwaitress1. The ________ will come and take your order soon.2. ________ is famous for sumo wrestling.3. Peter is a(n) ________ . He helps to make buildings, bridges and roads in the city.4. St. Patrick’s Day is a celebration that began in ________. Everyone wears green to celebrate this day.5. My piano _________ has taught me so much.6. This______ has the best hamburgers! You should try one.
冷却液异常常见表现
A. 冷却液温度过高
B. 冷却液温度过低
C. 冷却液变质
D. 冷却液消耗量变大