The passage mainly aims to______.A．explain why time flies when people having funB．prove ti

The passage aims to inform. us that______.A．the U－Md. －Goddard program offers professors a

The passage aims to______.A．introduce the product-infused ad modelB．explain differences be

The passage aims to tell us that______.A．men and women should play different roles in soci

The passage aims to______.A．list the factors that retarded the development of American rai

The main idea of this passage is to explain______

The main purpose of this passage is to__________.