某工程采购的一批钢材的出厂价为3980元/T,运费为50元/T,运输损耗为0.5%,采购保管费用为2%,则该批钢材的材料单价为( )元/T。
A. 4129.90
B. 4079.90
C. 4050.15
D. 4131.15
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The troops were in a ______ position, completely exposed to attack from the air.
A. remarkable
B. grave
C. vulnerable
D. indispensable
Adherence to the principle of one China is the basis and ______ for peaceful reunification.
A. premise
B. settlement
C. commitment
D. arrangement
You should buy a good ______ and always lock your bike to something secure, like a railing.
A. padlock
B. frisker
C. pistol
D. latch
More than 12,000 pieces of Columbia debris have been located in Texas and Lousana O'keefe said the debris will be ______to Kennedy Space Center starting this week.
A. patrolled
B. transported
C. heaved
D. disposed