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	[　　]

　　完形填空.

　　Mary has (1) cousins. They are Betty, Peter, Bill and Ann. Mary is the (2) of the five. Betty is thirteen years old. She is two years (3) than Mary and one year older than Peter. Bill is nine and Ann, the (4) , is seven.

　　Betty and Peter are (5) runners. But Peter runs (6) . Mary and Ann like (7) basketball. Mary plays better than Ann. Bill is the (8) of the five. Mary and Betty (9) in a middle school. Peter, Bill and Ann study in a primary school. The five children all work (10) at their lessons. But Betty works hardest.

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　　完形填空.

　　Mary has (1) cousins. They are Betty, Peter, Bill and Ann. Mary is the (2) of the five. Betty is thirteen years old. She is two years (3) than Mary and one year older than Peter. Bill is nine and Ann, the (4) , is seven.

　　Betty and Peter are (5) runners. But Peter runs (6) . Mary and Ann like (7) basketball. Mary plays better than Ann. Bill is the (8) of the five. Mary and Betty (9) in a middle school. Peter, Bill and Ann study in a primary school. The five children all work (10) at their lessons. But Betty works hardest.

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　　(10)

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完形填空

　　In the past, most American mothers were at home to take care of their children during the day. 1 now, many mothers are working. More than half of the American women 2 young children have 3 outside the house.

　　American families settle the child 4 problem in different ways. Some parents let 5 children stay at home alone after school. But they 6 be sure the children are not younger than 10 years old. Other parents say they would 7 let their children be at home alone. They usually pay someone to take care of the 8 . Some parents in the U. S. find their own way to spend less on child care. They join child care groups. It often costs 9 or no money. But many American parents are still trying to 10 good child care at a right price.

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