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【单选题】Part ADirections: Read the following four texts．Answer the questions below each text by choosing A, B, C or D．(40 points)The long year of food shortage in this country have suddenly given way to appar...
A.
The abundant food supply is not expected to last
B.
Britain is importing less food
C.
Despite the abundance, food prices keep rising
D.
Britain will cut back on its production of food
【单选题】The long year of food shortage in this country have suddenly given way to apparent abundance. Stores and shops are choked with food. Rationing (定量供应 ) is virtually suspended, and overseas suppliers ha...
A.
the fall in world food prices would benefit British food producers
B.
an expansion of food production was at hand
C.
British food producers would receive more government financial support
D.
it looks depressing despite government guarantees
【多选题】下面对赢得值法评价指标叙述正确的是( )。
A.
费用偏差=已完工作预算费用-已完工作实际费用
B.
当费用偏差为正值时，表示运行超出预算费用
C.
当进度偏差为负值时，表示进度延误
D.
当费用绩效指数＜1时，表示节支
E.
当进度绩效指数＞1时，表示进度提前