Georgia O’Keeffe’s best-known paintings are those in which she magnified flowers or animal skulls to fill the picture.

单项选择题For some animals, locomotion is accomplished by changes in body shape.

单项选择题Students working toward a degree in business are likely candidates for careers in the banking industry.

单项选择题Twins do not always display a noticeable likeness.

单项选择题Probability is the mathematical study of the likelihood of an event’s occurrence.

单项选择题South Carolina’s mineral resources are abundant, but not all of them can be lucratively mined.

单项选择题The ship left New York on her maiden voyage.

单项选择题When the United States stock market fell in 1929, many stockholders were forced to sell their shares at ludicrously low prices.

单项选择题In 1845 Sarah Mather invented a submarine telescope that could be used to locate and study underwater objects.

单项选择题Frostbitten fingers and toes should be treated with lukewarm water.

单项选择题Youth hostels provide inexpensive lodging for young people throughout the United States and in other countries.