题目内容

______ results from inadquate training of the working staff.

A. Inefficient
B. inefficient
C. Inefficiency
D. inefficiency

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His _____ makes your feel unwelcome and lose interest in the food and drink.

A. aloof
B. aloofing
C. aloofs
D. aloofness

In general, no business wants to ____ its image because it usually results in loss of profit.

A. spiol
B. spoil
C. spilo
D. spoils

______ waiters with effusive greeting, effusive talk about the specialties of the house and the ____ spirits , eagerness to make recommendations, and frequent appearances are really ____ while your are enjoying the food.

A. Overattentive; distingwished; annoying
B. Over-attentive; distingwished; annoying
C. Over-attentive; distinguished; annoying
D. Overattentive; distingwished; annying

当进气歧管内真空度减小时,真空式汽油压力调节器将汽油压力

A. 提高
B. 降低
C. 保持不变
D. 以上都不正确

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