石菖蒲、远志的共同作用是（)A．祛痰止咳B．开窍宁神C．养心安神D．化湿和胃E．消痈散肿

● Free float is the amount of time that an activity may be delayed with out affecting the _____.

A Early start of the succeeding activities.

B Late start of the succeeding activities.

C Project finish.

D Cost of the project.

E None of the above.

26 Free float is the amount of time that an activity may be delayed with out affecting the _____.

A. Early start of the succeeding activities.

B. Late start of the succeeding activities.

C. Project finish.

D. Cost of the project.

E. None of the above

A.Early start of the succeeding activities.

B.Late start of the succeeding activities.

C.Project finish.

D.Cost of the project.

E.None of the above.

A considerable amount of time and money has been invested in ______ this system.

A．defining

B．implying

C．reducing

D．perfecting

A considerable amount of time and money has been invested in ______ this system.

A．defining

B．implying

C．reducing

D．perfecting

A．an equal amount of silver

B．an equal amount of gold

C．all the water in the jar now

D．the water that leaves the jar

A．an equal amount of gold

B．the water that leave the jar

C．all the water in the jar

D．an equal amount of wood

A. an equal amount of silver

B. an equal amount of gold

C. all the water in the jar now

D. the water that leaves the jar

With a large amount of work ______, the chief manager couldn't spare time for a holiday.

A．remained to be done

B．remaining to do

C．remained to do

D．remaining to be done