单项选择

• 1、

  She has proved that she can be relied on in a cris

• 2、

  In previous times, when fresh meat was inadequate,

• 3、

  The last few weeks have been enjoyable.（　）

• 4、

  These programmes are of immense importance to the

• 5、

  Enormous sums of money have been spent on space ex

• 6、

  I am feeling a lot more healthy than I was（　）

• 7、

  Our statistics show that we consume all that we ar

• 8、

  I rarely wear a raincoat because I spend most of m

• 9、

  This poem depicts the beautiful scenery of a small

• 10、

  We shall take the treasure away to a safe place.（　

• 11、

  In the process，the light energy converts to heat e

• 12、

  The sensation of a "lump in one's throat" arises f

• 13、

  Experiments enable young scientists to judge accur

• 14、

  Although a herd of African elephants may have up t