It is absolutely vital that food supplies should
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It is absolutely vital that food supplies should be 【maintained】.
A.preserved
B.kept
C.supported
D.upheld
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答案：B
本句意思是：保持食品的供应非常重要。句中maintain意为“保护、保持”，例如：Push yourself to make friends and to maintain the friendships.让自己与人交友并保持友谊。四个选项中：preserve意为“保存”，例如：We will do everything to preserve peace.我们会尽全力维持和平。keep意为“保持”，例如：I kept working on my project.我一直忙于我的项目。 support意为“支持”。uphold意为“拥护、支持”，例如：Our policy has been to uphold the law.拥护法律是我们一贯的方针。只有选项B同句中括号的单词含义接近。