Ifonedayyouseewordsonpotatoesandapples,don’tpanic.  51 ...

问题详情：

If one day you see words on potatoes and apples, don’t panic.   51  (begin) last December, Swedish supermarket ICA started experimenting   52   a new way to label(给……贴标签) its fruits and vegetables. It uses lasers（激光）to “print” information ----- such as   53   it is grown or its code number ----- on vegetables and fruits.

The supermarket calls the new tech “natural branding”. The lasers “ print” by removing the colour from the skins of fruits and vegetables. It no longer uses paper   54   plastic along with ink and adhesives(粘合剂), which makes the food   55  (safe) to eat.

It is also great for the environment because less food packaging leads to less waste and less   56  （pollute）.

Eosta, an international food company, said that in 2015   57   it sold over 725,000 bags of avocados(牛油果) to ICA，and    58    (pack) them needed about 220 kilometers of plastic. “We have too much    59   (necessary) plastic material or packaging material on our products,” Peter Hagg, ICA’s senior manager, told the Daily Mail.

But unfortunately, laser labeling can’t    60   (use) on all fruits. Citrus fruit (柑橘类水果)，for example，has the ability to heal itself，meaning that the laser’s “writing” would disappear after just a few hours.

【回答】

51. Beginning 52 with 53. where 54. or 55. safer

56. pollution 57. alone 58. packing cessary 60. be used

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