e to various chemicals\rC) to design a computer program to sort out smells\rD) to find chemicals that can alter the electrical current passing through\r30. The author5s attitude towards Larry Myers' works i s .\rA) cautious\rB) approving\rC) suspicious\rD) overenthusiastic.\r11. B 12. C 13. D 14. C 15. A\r16. B 17. B 18. D 19. C 20. C\r21. A 22. C 23. D 24. D 25. A\r26. C 27. D 28. B 29. A 30. B\rc>defghij*+klmnopqr\rhttp://www.shangxueba.eom/share/s 12.html