单项选择题
A、 He shows great enthusiasm for his studies. B、 He is a very versatile person. C、 He has no talent for tennis. D、 He does not study hard enough.
A. provides more accurate data than the new one B. costs less than the new one C. costs more than the new one D. warns people only a few seconds before the earthquake
A、 fears of danger B、 the high estimate C、 political opponents D、 the coming danger