43. Mrs. Smith ________ in working on the problems again though she had failed more than a dozen times. A. consisted B. persisted C. insisted D. assisted
参考答案:
下列各国广播电视体制叙述不正确的是( C )A西欧—公营为主的双轨制 B美国—私
下列各国广播电视体制叙述不正确的是( C )A西欧—公营为主的双轨制 B美国—私营为主C中国—国营 D俄罗斯—国营