题目内容：

完形填空（共1小题）

阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。

Once there was a family of squirrels who lived in a large oak tree．They had lived there for many generations and it gave them all that they needed to      ,so they never left its branches．Then the tree started to die and it stopped producing      for them, so the family of squirrels had a       to decide what they should do next．

The oldest son, Nifty, said,“ We need to     ．we will starve to death     we stay here ,”Uncle Nutty answered,“We can't do that．We'll be       for sure．The hawks,foxes and bears are just waiting for us to leave this     ．”After much discussion, the whole family decided to      in the old oak tree except for Nifty, Nifty     the tree and was never heard again．“See?” Uncle Nutty said to the      of the family, “I told you that the hawks, foxes or bears would get him!”

However, the squirrel were      , so one by one they left．Eventually, only Uncle Nutty was left in the old oak tree．You could  12  his ribs(肋骨) through his skin as it had been a long time since he had last13 ．Meanwhile, just 100 meters away in the same     ,the rest of the squirrel family were living   15 together in a lovely oak tree that was supplying all of their needs．

The world is always changing．Book publishers, DVD rental companies and car manufacturers might be     a few years ago, but they are hurting now．Yet some people are      hanging on, thinking that the     to change is greater than that to stay where they are．They're      ! Don’t be Uncle Nutty．Change now before it's too      ．

1.A．hide            B．produce         C．grow            D．live

2.A．protection     B．clothes         C．food            D．apartment

3.A．performance     B．class           C．meeting         D．plan

4.A．improve         B．move            C．try             D．develop

5.A．if              B．unless          C．before          D．though

6.A．met             B．remembered      C．killed          D．discovered

7.A．mountain        B．village         C．family          D．tree

8.A．jump            B．stay            C．lie             D．sit

9.A．left            B．cut             C．planted         D．watered

10.A．children       B．member          C．rest            D．other

11.A．brave           B．angry            C．bored           D．hungry

12.A．imagine         B．see              C．touch           D．count

13.A．eaten           B．rested           C．fought          D．walked

14.A．pool            B．garden           C．forest          D．sea

15.A．worriedly       B．carelessly       C．fearlessly      D．comfortably

16.A．upset           B．popular          C．grateful        D．disappointed

17.A．even            B．still            C．always          D．never

18.A．aim             B．reaction         C．answer          D．risk

19.A．wrong           B．smart            C．dishonest       D．proud

20.A．obvious         B．worrying         C．late            D．far