1. 请写出主句的主语The coming of age of the postwar baby boom and an entry of women in the male-dominated job market have limited the opportunities of teen-agers who are already questioning the heavy personal sacrifices.
2. 请写出真正的主语It is not possible to determine whether both continents are moving in opposite directions or whether one continent is stationary and the other is drifting away from it.
3. 请写出主句的宾语This phenomenon has created serious concerns over the role of smaller economic firms, and over the ultimate stability of the world economy.
4. 请翻译此句It’s not obvious how the capacity to visualize objects and to figure out numerical patterns suits one to answer difficult questions.
5. 请翻译此句Works of several historians reveal the moral compromises made by the nation’s early leaders and the fragile nature of the country’s infancy.