起飞滑跑抬前轮后,由于飞机带仰角,形成重力第二分力,至使增速较慢。
参考答案:错
使用绿色能源有利于降低碳排放量,不能降低碳排放量的是( )
A.煤
B.风能
C.太阳能
D.氢能
Sue told me that she ____________ shopping with her sister the next day.
A.will go
B.would go
C.goes
D.has gone