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鎮ㄧ幇鍦ㄧ殑浣嶇疆锛 棣栭〉 > SAT > SAT姣忔棩涓棰 > 姝f枃

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Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

A paleontologist estimated the body mass of a Stegosaurus from a skeleton using several methods. The estimated masses in kilograms(kg) were:

1082kg
1560kg
2256kg
2355kg
3751kg

To the nearest kg, what is the mean estimate of the Stegosaurus's body mass?

A.2201kg
B.2256kg
C.2417kg
D.2669kg

閲嶇偣鍗曡瘝   鏌ョ湅鍏ㄩ儴瑙i噴    
multiple ['mʌltipl]

鎯充竴鎯冲啀鐪

adj. 璁稿锛屽绉嶅鏍风殑
n. 鍊嶆暟锛屽苟鑱

鑱旀兂璁板繂
mass [mæs]

鎯充竴鎯冲啀鐪

n. 鍧楋紝澶ч噺锛屼紬澶
adj. 缇や紬鐨勶紝澶ц妯

 
skeleton ['skelitn]

鎯充竴鎯冲啀鐪

n. 楠ㄦ灦锛岀翰瑕侊紝楠ㄩ锛岄鐦﹀鏌寸殑浜烘垨鍔ㄧ墿锛屽涓

 
paleontologist [,pæliɔn'tɔlədʒist]

鎯充竴鎯冲啀鐪

n. 鍙ょ敓鐗╁鑰 =palaeontologist

 
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