- In 1861 it seemed inevitable that the Southern states would break away from the Union.
- Some sea urchins海胆 have venomous (toxin) spines
- The company issues an annual report every March.
- Bats fly, rather than glide, and thus are the only mammals capable of true flight.
- In 1974 Henry Aaron broke Babe Ruth's monumental lifetime record of 714 home runs.
- Mary McCarthy s satires 讽刺文学 are couched in a prose style that has a classic precision.
- The future survival of the bald eagle is still an important American ecological concern.
- Formerly , in the United States, many nurses worked as private duty nurses rather than in hospitals.
- A mythical(imaginary) creature, the dragon was believed to have lion's claws, scaly skin, and fiery breath.
- Formulated in 1823, the Monroe Doctrine asserted that the Americas were no longer open to European colonization.
置顶