题目内容：

One night, Lottie Williams was walking alone through a park in Tulsa. Suddenly she saw a huge         high up in the sky.  She was surprised at that very moment.  She thought she'd just       a shooting star. Less than thirty minutes later, that surprise turned to         .

"I was         walking through the park when I felt a tap on my       ." Williams explained. As a result of being        , she started to run, thinking a stranger had appeared out of        . Then she heard something hit the ground behind her. "The        was similar to an empty glass jar, "  Williams recalled.   " Then I       and found it looked like a piece of fabric (织物) ,       it sounded like metal. " Williams felt       that she was just fine.

Excited by her       , she took the fallen piece of sky to her local library where she was advised to       the National Weather Service, who told her about         that had entered the earth ' s atmosphere the night before.  After       what had happened,  Williams took the piece to the University of Tulsa where Dr Winton Cornell       it with an electron microscope.

"It had been partly       when flying down at high speed. It appeared to be the kind of material used t0       fuel tanks," Williams said. She then sent it to a research center, where they did further analysis        the material to be part of the fuel tank of a US spacecraft, the         0f which is to make sure fuel tanks can not be damaged easily. Lottie Williams has become perhaps the only person in history to ever get hit by falling space rubbish.

1.A. bird        B. fireball      C. star           D. moon

2.A. drawn      B. caught       C. photographed  D. witnessed

3.A. fear        B. hope         C. worry         D. excitement

4.A. once       B. ever          C. still           D. again

5.A. head       B. back          C. neck         D. shoulder

6.A. frightened   B. annoyed      C. disturbed     D. ashamed

7.A. breath      B. danger        C. anywhere    D. nowhere

8.A. height      B. weight        C. shape        D. strength

9.A. jumped up  B. bent down     C. showed off    D. turned around

10.A. but       B. 80            C. or            D. since

11.A. nervous   B. proud         C. lucky        D. guilty

12.A. invention    B. discovery      C. expectation   D. prediction

13.A. join         B. start          C. run           D. consult

14.A. a rocket     B. an alien      C. a UFO        D. a planet

15.A. admitting    B. explaining     C. realizing      D. remembering

16.A. repaired     B. studied       C. improved      D. recovered

17.A. valued      B. settled        C. furnished      D. melted

18.A. protect      B. fill            C. decorate      D. examine

19.A. wishing     B. imagining      C. confirming    D. announcing

20.A. result       B. function       C. future         D. Source