[填空题]Today vegetables, fish, fruit, meat and beer are canned in enormous quantities. Within three generations the 81 habits of millions have been revolutionized. Foods that were previously 82 may now be eaten at any time, and strange foods are 83 far from the countries where they are 84 . The crops many farmers now produce often depend on the nearness of a canning factory. The first stage in the canning 85 is the preparation of the raw food. Diseased and waste portions are thrown 86 ; meat and fish are cleaned and trimmed; fruit and vegetables washed and graded for 87 . The jobs are principally 88 by machine. The next stage, for vegetables only, is soak in very 89 or boiling water for a short time to remove air and 90 the vegetable. This makes 91 easier to pack into cans for sterilization (free from living germs).Some packing machines fill 92 to 400 cans a minute. Fruit, fish and meat are packed raw and cold into cans, and then all the air is removed. 93 the cans are sealed, the pressure
A. A．eat 　
B．eatable 　　
C．eaten 　　
D．eating

[填空题]Today vegetables, fish, fruit, meat and beer are canned in enormous quantities. Within three generations the 81 habits of millions have been revolutionized. Foods that were previously 82 may now be eaten at any time, and strange foods are 83 far from the countries where they are 84 . The crops many farmers now produce often depend on the nearness of a canning factory. The first stage in the canning 85 is the preparation of the raw food. Diseased and waste portions are thrown 86 ; meat and fish are cleaned and trimmed; fruit and vegetables washed and graded for 87 . The jobs are principally 88 by machine. The next stage, for vegetables only, is soak in very 89 or boiling water for a short time to remove air and 90 the vegetable. This makes 91 easier to pack into cans for sterilization (free from living germs).Some packing machines fill 92 to 400 cans a minute. Fruit, fish and meat are packed raw and cold into cans, and then all the air is removed. 93 the cans are sealed, the pressure
A. A．monthly
B．year-round 　
C．seasonal 　 　
D．quarterly