According to the factory safety rules all accidents be reported to the safety officer.A. may B. canC. would D. shall 题目和参考答案——青夏教育精英家教网—

题目内容

20. According to the factory safety rules all accidents be reported to the safety officer.

A. may B. can

C. would D. shall

20. D考查情态动词。句意：根据工厂的安全法规，所有的事故都必须向安全官员汇报。shall用于第二、三人称，表示命令、警告、威胁等语气，还可表示依照规定必须做某事。根据rules可知，这里指的是规定。故选D。

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根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Food safety is a problem in all places around the world and people in different areas of the world prepare food in different ways. The WHO released (发布)five simple rules for preparing food in a safe way. They call these rules the "Five Keys to Safer Food".

Key 1 ： Keep clean.

27._______ People should wash their hands often―before touching food and while they are preparing food. People should wash all surfaces and equipment used for preparing food.

Key 2： Separate raw(生的〉and cooked.

Raw foods should not touch prepared foods.28. ________

Key 3： 29. _____

People should cook eggs and meat especially careful?ly. These food may carry more micro-organisms(微生物) than other food. Food like soup must be boiled for at least a minute to make it be cooked completely. It is also im?portant that people re-heat cooked food completely.

Key 4 ： Keep food at safe temperatures.

When people are finished with eating, they should keep the left food in a refrigerator below 5°C and shouldn't store it for too long. At room temperature, about 20°C ， the amount of micro-organisms can increase very quickly. But temperatures above 60°C or below 5°C control the growth of micro-organisms. 30_______ .

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E. People should use safe water and choose fresh foods.

F. They cannot grow quickly in a very hot or very cold en?vironment.

G. People should use separate equipment and tools for touching and preparing raw foods.

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