The work confirms hints A(that) had already been emerging in the scientific literature in recent years that p53 and related proteins might play an important role in life, but the new paper is B(far more detailed)—and, scifientists say, more compelling—C(that) anything D(published previously).

A(For) all the fretting about outsourcing and B(trade d...

未知题型A(For) all the fretting about outsourcing and B(trade deficits) in the United States, MTV offers a C(highly-end) case study in how to export what seems, at first glance, to be D(a uniquely American branD.)

“春色三分，二分尘土，一分流水”，化用唐诗人徐凝《忆扬州》的写法：天下三分明月夜，[填空1]。

问答题 “春色三分，二分尘土，一分流水”，化用唐诗人徐凝《忆扬州》的写法：天下三分明月夜，[填空1]。

A customer has failed to pay your company for the merch...

未知题型A customer has failed to pay your company for the merchandise delivered after repeated attempts to collect payment, and your line manager has asked you to write a final demand letter to the customer demanding the payment be madE.
Write a letter to the customer
briefly introducing the situation that both you and your customer are involved in
stating the amount of money that the customer owes you
displaying the benefits of payment on time for both sides
indicating what your company is going to do if the customer still doesn't pay you on timE.