2. 外语
  3. Liquid hydrogen should be stored in stainless steel tanks with double walls filled with __________.

Liquid hydrogen should be stored in stainless steel tanks with double walls filled with __________.

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问题 Liquid hydrogen should be stored in stainless steel tanks with double walls filled with __________.
选项 A、insulation
B、module
C、accessory
D、capsule
答案A
解析 液态氮要储存在双层壁的不锈钢桶里，两层壁之间必须有绝缘材料。本题是考查名词的词义辨析。insulation“绝缘材料，隔离”；module“组件，模块；(航天器的)舱”；accessory“附件，零件”；capsule“胶囊；密封仓”。
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大学英语六级

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