根据短文内容填入所缺单词，首字母已给出

　　One day a crow f　　 a piece of meat. She picked it up in her mouth and flew to a tall tree. She was just going to e　　 the meat when a fox saw her. He came and stood u　　 the tree and said, “H　　 pretty you are! You must be the prettiest bird in the world(世界).”

　　The crow was very p　　 with these words. Then the fox spoke a, “I can see your pretty face, but I have not heard your voice. W　　 don't you sing a song?” This pleased the crow again. She opened her mouth and b　　 to sing. As she opened her mouth, the meat dropped d　　. The fox picked up the meat at once and went away w　　 it.

完形填空

　A pine tree in California was regarded （看作）the oldest tree in the world. People thought 　1　 was nearly 5,000 years old. 　2　　 　they could not be 　3　　 　. Then someone 　4　 the tree down 　5　　 　a chain saw （链式锯）。Kiling the 　6　　 　tree in the world was a 　7　　 　thing to do. But when the tree 　8　　 　down, 　9　　 　knew its 　10　　 　. It was 4,900 　11　　 　.

　How can you 　12　　 　the age of a tree? If you ever 　13　　 　a tree that has just 　14　　 　cut down, take a look at the cut 　15　　 　. You will see rings. There are little rings in the middle. 　16　　 　each ring is a larger one. The ring 　17　　 　the bark （树皮）is the biggest one of 　18　　 　.

　Count these rings. A tree grows one ring each 　19　　 　. A ten-year-old tree has ten rings. A sixty-year-old tree has sixty rings. 　20　　 　rings does a 4,900-year-old tree have?

　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　

(1)   A． 　　 it	B． this	C． that	D． which	[　　]
(2)   A． 　　 then	B． so	C． and	D． but	[　　]
(3)   A． 　　 there	B． sure	C． here	D． silence	[　　]
(4)   A． 　　 put	B． lay	C． cut	D． cuts	[　　]
(5)   A． 　　 on	B． in	C． with	D． by	[　　]
(6)   A． 　　 old	B． oldest	C． older	D． ancient	[　　]
(7)   A． 　　 silly	B． poor	C． common	D． good	[　　]
(8)   A． 　　 is cut	B． has cut	C． was cut	D． had cut	[　　]
(9)   A． 　　 none	B．nobody	C． someone	D． everyone	[　　]
(10)   A． 　　 time	B． age	C． size	D． weight	[　　]
(11)   A． 　　 old	B． long	C． time	D． age	[　　]
(12)   A． 　　 speak	B． say	C． tell	D． talk	[　　]
(13)   A． 　　 look	B． find	C． see	D． discover	[　　]
(14)   A． 　　 being	B． been	C． to be	D． had	[　　]
(15)   A． 　　 part	B． tree	C． wood	D． piece	[　　]
(16)   A． 　　 On	B． Around	C． In	D． Over	[　　]
(17)   A． 　　 in	B． outside	C． near	D． on	[　　]
(18)   A． 　　 rings	B． tree	C． it	D． all	[　　]
(19)   A． 　　 season	B． year	C． time	D． period（时期）	[　　]
(20)   A． 　　 How many	B． How large	C． How big	D． How much	[　　]

The little boy 　　　 the tree.　　　

[　　]

A．is climbing to　　　　  　B．is climbing in

C．is climbing over　　　    D．is climbing up