99. 一般成人的 transthoracic impedance 約為多少Ω？ (A) 10-20 Ω (B) 30-40 Ω (C) 50-60 Ω (D) 70-80 Ω

1. According to Marcus theory, which of the following factor does NOT influence the electron transfer rate constant? (A) Reorganization energy. (B) Gibbs energy difference between the product and reactant. (C) Angular momentum of electron (D) Distance between electron donor and acceptor. (E) Type of spacer between electron donor and acceptor.