Those factories use (both) chemical (or) mechanical (methods) (to manufacture) c

游客2025-03-17 3

问题 Those factories use (both) chemical (or) mechanical (methods) (to manufacture) clear glue.

选项 A、both
B、or
C、methods
D、to manufacture

答案 B

解析应改为and。both…and结构意为“…和…”。

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Thosefactoriesuse(both)chemical(or)mechanical(methods)(tomanufacture)c