单项选择

• 1、

  Customers often defer payment for as long as possi

• 2、

  Although a herd of African elephants may have up t

• 3、

  In 1861 it seemed inevitable that the Southern sta

• 4、

  His claims seem credible to many people.（　）

• 5、

  We packed up the things we had accumulated (积累) ov

• 6、

  Society is now much more diverse than ever before.

• 7、

  You look smart in the new suit（　）.

• 8、

  As a composer, pianist, and band leader, Duke Elli

• 9、

  Her faith upheld her in times of sadness（　）.

• 10、

  The governor gave a rather determined explanation

• 11、

  He is but a child.（　）

• 12、

  A great deal has been done to remedy the situation

• 13、

  It is obvious that it has been too late to take ac

• 14、

  While serving in the Senate in the early 1970’s, B

• 15、

  When an organization acquires a computer system, i