20．A． by carB． by busC．on footD．on the foot
20．
A． by car
B． by bus
C．on foot
D．on the foot
相关考题：
若vehicle=['train','car','bus','subway','ship','bicycle','car'],则vehicle.count('car')结果是什么? A.carB.7C.1D.2
You are on a 165-foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE?A.You should stop to windward of the man and drift down on himB.You should stop with the man on your weather beam and twist the ship up to himC.A pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the manD.Ship pick up should never be used with a shallow draft vessel
To allow for the rise or fall in tide and for change in draft of a tanker during cargo transfer，cargo hoses must be suspended with ______．A.Slings or saddles placed at 25-foot（8 meter）intervalsB.Enough slack in their bightC.Topping lifts and runners tied off to winchesD.All of the above
英语的feet：A．只有一个语素。B．不是foot的屈折变换形式。C．没有改变词根foot的语法意义。D．可以分析为两个语素。