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單項選擇題

We give you on the attached sheet full details regarding packing and markin9，which must be strictly__________．

A. observed
B. abide by
C. submitted
D. seen

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單項選擇題

The products described above have been subjected to （　） treatment of at least 80ºC for 30 minutes.

A. freeze
B. cold
C. heat
D. wash

單項選擇題

The above mentioned condition was caused （?。﹖he process of manufacturing.

A、in
B、of
C、to
D、for