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题目内容
The coagulated latex of the gutta-percha tree, which grows wild in Sumatra Kalimantan and May, can be formed into a natural plastic that, although inelastic under ordinary conditions becomes ____________ when placed in hot water.
- Asmooth
- Bpliable
- Cpermeable
- Dmalleable
- Epervious
- Fbuoyant
B,D显示答案
以上解析由 考满分老师提供。