補全短文(第46~50題，每題2分，共10分)
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toads are arthritis and in pain
a. toads are not built to be road runners—— they are built to sit around ponds and wet areas.
b. the task now facing the country is how to remove the toads.
c. furthermore, they soon take over the natural habitats of australia’s native species.
d. toads with longer legs move faster and travel longer distances while the others are being left behind.
e. but this advantage also has a big drawback—— up to 10% of the biggest toads suffer from arthritis.
f. but arthritis didn’t slow down toads outside the laboratory the research found.
【參考答案】：e b c a ffamily history
in an age when technology is developing faster than ever before, many people are being ______ (1) to the idea of looking back into the past. one way they can do this is by investigating their own family history. they can try to ______ (2) out more about where their families came from and what they did. this is now a fast-growing hobby, especially in countries with a ______ (3) short history, like australia and the united states.
it is ______ (4) thing to spend some time ______ (5) through a book on family history and to take the ______ (6) to investigate your own family's past. it is ______ (7) another to carry out the research work successfully. it is easy to set about it in a disorganised way and ______ (8) yourself many problems which could have been ______ (9) with a little forward planning.
if your own family stories tell you that you are ______ (10) with a famous character, whether hero or criminal, do not let this idea take over your research. just ______ (11) it as an interesting possibility. a simple system ______ (12) collecting and storing your information will be adequate to start with;a more complex one may only get in your ______ (13). the most important thing, though, is to ______ (14) started. who knows what you ______ (15) find?
【參考答案】：
51. idea 52. investigating 53. find 54. with 55. going 56. take 57. carry 58. way 59. avoided 60. that 61. over 62. possibility 63. start 64. way 65. knows
