It is required that such insulator (绝热体) ______ a heat resistant material.A、must

游客2025-03-15 17

问题 It is required that such insulator (绝热体) ______ a heat resistant material.

选项 A、must be made of
B、should be made of
C、will be made of
D、would be made of

答案 B

解析在“It is required that…”句型中that从句中要用虚拟语气，其表示方法是should do。类似的还有“It is desired that…”，“It is suggested that…”，“It is ordered that…”等。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3998106.html

相关试题推荐

随机试题

最新回复(0)

Theoldwomanwassufferingfromaveryseriousillnessandrequiredspecialatt