题目内容
(请给出正确答案)
[主观题]
The costs of salaries, heating, lighting and rent ______ to2.4 million.
A.amounted
B.added
C.totaled
D.summed up
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A.amounted
B.added
C.totaled
D.summed up
A.marginal costs
B.average costs
C.production costs
D.total costs
A.正确
B.错误
______ costs have increased dramatically.
A.Advertising
B.Advertisements
C.Advertised
D.Advertise
Costs should be cut; ______, the number of staff positions will be reduced.
A.however
B.therefore
C.meanwhile
D.but
[ A] expenditures
[ B] benefits
[ C] costs
[ D] profits
High technology is characterized by ______.
A.economics of scale and high costs and high risks
B.low costs and high profits
C.much investment
Using the Internet costs the owner of a telephone extra money.
A.Y
B.N
C.NG
A.$4
B.$400
C.16
D.1600