Level 49: Choose the word whose main stress is put on a different syllable from that of the rest.

Answer A, B, C stress number 2. Answer D stress number 1.
A. secure /sɪˈkjʊə(r)/ (v) secure
B. install /ɪnˈstɔːl/ (v) install
C. bamboo /ˌbæmˈbuː/ (n) bamboo
D. podium /ˈpəʊdiəm/ (n) podium (for teachers)