亚洲人成影院在线播放高清|久久精品视频免费播放国产|日本亂倫近親相姦在线播放|国产九九免费观看思思

    <td id="rjvax"><strong id="rjvax"></strong></td>

    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 (鏈式鋸)。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 (樹皮)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

    Bnobody

    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

    Boutside

    Cnear

    Don

    [  ]

    (18)   A.    rings

    Btree

    Cit

    Dall

    [  ]

    (19)   A.    season

    B year

    C time

    D period(時期)

    [  ]

    (20)   A.    How many

      

    B. How large

      

    C. How big

      

    D. How much

      

    [  ]

      
    答案:A;B;B;C;C;B;A;C;D;B;A;C;C;B;A;B;C;D;B;A
    練習冊系列答案
    相關(guān)習題

    同步練習冊答案