Ifyouhavetheright___(equip)，youwon’tfindthejobdifficult.

Janeisrestless;sheis_____animportantphonecallfromherparents.

It’s___(reasonable)toexpectpeopletoworkmorethan60hoursaweek.

Canyoutellusmore___(precise)whathappenedlastnight?

飞机以300m/s的速度水平飞行，该处地磁场的磁感应强度竖直分量为6.0×l0-8T，则长为50m机翼上的动生电动势大小为()