人教新课标选修七Unit 3单元过关检测题

概要：14. -- Did you have a good time at the party? -- Thanks. I appreciated _________ to your home. A. to be invited B. being invited C. to have invited D. having invited15. _________ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world. A. Being separated B. Having separated C. Having been separated D. To be separated第二大题 完形填空 （20小题， 共30分）Pearls(

人教新课标选修七Unit 3单元过关检测题,标签：高二英语同步练习大全,高二学习方法,http://www.kgf8.com
14. -- Did you have a good time at the party?
   -- Thanks. I appreciated _________ to your home.
    A. to be invited                   B. being invited
   C. to have invited                 D. having invited
15. _________ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
    A. Being separated               B. Having separated
    C. Having been separated          D. To be separated

第二大题  完形填空 （20小题， 共30分）
Pearls(珍珠) are valuable white gems (宝物) which come from the ocean. Actually they are  16  by oysters, small shell fish that live on the    17   of the ocean.
18  oysters（牡蛎，蚝） will make pearls; not all oysters produce them. Oysters produce pearls only when they are   19   by sand. If a  20  of sand enters the oyster's   21   , the oyster becomes hurt because the  22  grain of sand irritates(使…… 不适，刺激) the smooth, soft skin of the oyster. The oyster tries to  23   itself by producing a white   24  that looks like milk. The oyster covers the  25  with a milky fluid. The fluid protects the oyster. Later the white liquid become   26  . This hardened liquid forms a shell, or bead, around the sand. At this time a pearl is beginning to  27   .
The white pearl grows  28  inside the oyster's shell.  29  , it takes about six or seven years for the oyster to produce a pearl. Not all oysters produce pearls  30  most oysters sometimes take sand into their   31  . Only sand which the oyster cannot get rid of will  32  it. In other words, if an oyster "swallows" some sand, it will manage to "spit it out". If the oyster cannot get rid of the   33  , then it will produce the white fluid to  34    itself. Actually, only about one in a thousand oysters will produce a pearl; that is,   35   than one percent.
16.  A. invented B. brought C. produced D. caused
17.  A. bottom B. base C. floor D. ground
18.  A. Only some B. Only few C. All of D. A lot of
19.  A. harmed B. covered C. destroyed D. injured
20.  A. piece B. grain C. little D. bit
21.  A. shell B. body C. eyes D. back
22.  A. hard B. vivid C. sharp D. rough
23.  A. prevent B. defend C. protect D. guard
24.  A. water B. matter C. liquid D. object
25.  A. injury B. shell C. sand D. pearl
26.  A. bright       B. hard           C. strong         D. pure
27.  A. make        B. produce        C. do           D. form
28.  A. slowly       B. fast           C. safely         D. quickly
29.  A. Often        B. Actually       C. Usually        D. Sometimes
30.  A. even though   B. in case        C. so long as      D. only if
31.  A. bodies        B. shells         C. bottoms       D. caves
32.  A. destroy       B. irritate        C. soft           D. open
33.  A. sand         B. shell          C. milk          D. liquid
34.  A. cover         B. destroy       C. produce        D. protect
35.  A. fewer         B. more         C. less           D. smaller

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