conductivity higher than a normal conductor
conductivity higher than a normal insulator
high conductivity at low temperatures
low conductivity at high temperatures
第1题：
192 Which of the following is associated with a buyer's request for material to meet a particular need:
A. material warranty
B. material guarantees
C. implied warranty of salability
D. implied warranty of fitness for a particular purpose
E. A and C only
第2题：
A.material requirement planning。
B.management requirement planning。
C.manufacturing resource planning。
D.material revenue planning。
E.Material risk planning。
第3题：
Project cash reserves are often used for adjustment in escalation factors which may be beyond the control of the project manager. Other than possibly financing (interest) costs and taxes, the three most common escalation factors involve changes in:
A . Overhead rates, labor rates and material costs.
B . Overhead rates, schedule slippages, and rework.
C . Rework, cost-of-living adjustments, and overtime.
D . Material costs, shipping cost, and scope changes.
E . Labor rates, material costs, and cost reporting.
第4题：
They request you to recommend ()that suits the African market.
A、some material to them
B、them some materials
C、them some material
D、some material for them
第5题：
The（ ）serves as the computer’s CPU.
A.semiconductor B.microprocessorC.cacheD.bus controller
第6题：
Can we use this material for the decoration of the exhibition hall?
A.Yes. Any available material will do for this job
B.Yes. Water-proof material for the decoration of the hall will be used for the interior decoration
C.No. Fire-proof materials should be used for the interior decoration
D.No. Only highly-cost materials should be used for the interior decoration
第7题：
Liquid semiconductor is used to _________.
A. get rid of the radioactive waste
B. test the power of nuclear batteries.
C. decrease the size of nuclear batteries
D. reduce the damage to lattice structure.
细节理解题。根据By using a liquid semiconductor, we believe we can minimize that problem可知D项正确。
第8题：
Which of the following is associated with a buyer's request for material to meet a particular need:
A material warranty
B material guarantees
C implied warranty of salability
D implied warranty of fitness for a particular purpose
E A and C only
第9题：
A.to
B.for
C.at
D.in
第10题：
C Co uses material B, which has a current market price of $0·80 per kg. In a linear program, where the objective is to maximise profit, the shadow price of material B is $2 per kg. The following statements have been made:
(i) Contribution will be increased by $2 for each additional kg of material B purchased at the current market price
(ii) The maximum price which should be paid for an additional kg of material B is $2
(iii) Contribution will be increased by $1·20 for each additional kg of material B purchased at the current market price
(iv) The maximum price which should be paid for an additional kg of material B is $2·80
Which of the above statements is/are correct?
A.(ii) only
B.(ii) and (iii)
C.(i) only
D.(i) and (iv)
Statement (ii) is wrong as it reflects the common misconception that the shadow price is the maximum price which should be paid, rather than the maximum extra over the current purchase price.
Statement (iii) is wrong but could be thought to be correct if (ii) was wrongly assumed to be correct.