简单单选

• 1、

  Although research has shown that asparagus does co

• 2、

  In the book Autobiography of Values, the aviation

• 3、

  Numerous parallels exist between Ernest Hemingway’

• 4、

  The Moon and most artificial satellites travel aro

• 5、

  By 1929, two years after the start of the "talkies

• 6、

  California, the first city on the American contine

• 7、

  According to some biologists, the instinct to care

• 8、

  The anhinga is a black water bird that frequents t

• 9、

  Through her portrayal of eight college-educated wo

• 10、

  A seed planted in the sensitive lining of an oyste

• 11、

  Throughout most of their lives, human beings perpe

• 12、

  The history of the exploration of Antarctica recou

• 13、

  The American antelope possesses remarkable powers

• 14、

  Julia Margaret Cameron was among the pioneers in a

• 15、

  The French and Indian War of 1756-1763 pitted Brit