—It's cold.Here are your .
—Oh,thank you.It's good for my hands when I ride my bike.
A:flowers
B:balls
C:gloves
D:shoes
计算(﹣2.5)×0.37×1.25×(﹣4)×(﹣8)的值为____
His eighth book ________earlier this year and was an instant bestseller.
His father works a policeman at a police station.
一台单缸四冲程汽油机的飞轮转速是1800r/min,此汽油机每秒内( )