He often helps me _______ my physics.  [ ]

A. with      

B. to      

C. in        

D. for

In project management, a（）(1) is a listing of aproject's milestones, activities, and deliverables, usually with intended start and finish dates. Those items are often estimatedin terms of resource （）(2) ,budget and duration, linked by dependencies and scheduled events.

空白（1）处应选择（）

A.schedule

B.activity

C.plan

D.contractor