The moment the author got down to the river bank he saw__________．

A．the calf was about to fall into the river

B．Ma Shwe was placing the calf on the rock

C．the calf was washed away by the rising water

D．Ma Shwe was holding the calf against the rushing water

[单选题]The mometn the author got down to the river bank he saw .A．the calf was about to fall into the riverB．Ma Shwe was placing the calf on the rockC．the calf was washed away by the rising water

[名词解释] method of moment

[单选题]The magnitude of a moment is the product of the force and（）.A . timeB . lever armC . displacementD . angle of inclinatio

[单选题]F．or a moment nothing happened ,Then all shouting together.A． voices had come B. came voices C. voices would come D. did voices come

[单选题]A moment is obtained by multiplying a force by its（）.A . coupleB . lever armC . moment of inertiaD . point of applicatio

[单选题]Miss Gao is in theclassroom at the [moment].A.at onceB.right nowC.nowD.all

[单选题]Miss Gao is in theclassroom [at the moment].A.at onceB.right nowC.nowD.all

[单选题]Could I use your bike for a moment?_________。A.It's well.B.It doesn't matte

[单选题]A pair of spectacles ________ what I need at the moment.A.is B.are C.has D.

[单选题]A pair of spectacles ______ what I need at the moment.A.isB.areC.hasD.have