题目内容

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

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

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__ 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

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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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燃油压力调节器的作用是()

A. 保持燃油分配管供油压力恒定
B. 保持进气管真空度恒定
C. 保持进气管绝对压力恒定
D. 保持供油压力与进气管压力之差恒定

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汽油泵()

A. 主要由交流电动机和油泵组成
B. 在汽车上使用较多的是滚柱式汽油泵和涡轮式汽油泵
C. 中的滚柱式汽油泵的泵油量大，最大泵油压力较高，可达600kPa以上
D. 中的涡轮式油泵属于外装泵

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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.

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

燃油压力调节器的作用是()

汽油泵()

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.