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【单选题】
关于天然油脂的性质,以下说法错误的是A.
天然油脂是各种不同三脂酰甘油的混合物，因而没有固定的熔点和沸点。
B.
碘值是油脂品质的一项重要指标，其数值的大小与油脂的不饱和程度成正比。
C.
皂化值越大，表示油脂的平均相对分子量越大。
D.
酸败使油脂中游离脂肪酸的含量增加。
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皮皮学刷刷变学霸
举一反三
【单选题】Total variable costs:
A.
Increase when quantity produced increases.
B.
Decrease when quantity produced increases.
C.
Sometime increase and sometime decrease when quantity produced increases.
D.
Can sometimes be constant over a substantial range of output.
【单选题】Which of the following are variable costs?( )
A.
Interest on borrowed funds
B.
Depreciation for fixed assets
C.
Salary of the chief accountant who cannot be dismissed during the suspension period
D.
Salary of workers who can be dismissed at any time
【单选题】The county government released $100,000 as an appropriation for a counseling program for at-risk teenagers. The program should run one year and the variable costs for the program are $400 per teenager...
A.
50
B.
100
C.
150
D.
250
【简答题】正面斜二测图的轴间角为 A.1个90°,2个120° B.1个90°,2个135° C.3个均为120° D.3个均为135°
【简答题】软币是指在外汇市场上汇率呈____的货币。
【单选题】If a firm at equilibrium in a perfectly competitive industry can cover its variable costs but not its fixed costs, it will:
A.
shut down immediately.
B.
make negative profits as it considers closing its doors in the long run.
C.
increase production until it covers fixed costs.
D.
make positive profits until more firms enter the market.
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