第3题: [单项选择]应用于X线摄影的X线波长，一般在 A. 0.02×10-8～0.3×10-8cm之间 B. 0.04×10-8～0.4×10-8cm之间 C. 0.06×10-8～0.5×10-8cm之间 D. 0.08×10-8～0.6×10-8cm之间 E. 0.10×10-8～0.8×10-8cm之间 参考答案:D 答案解析:应用于X线摄影的X线质是在 (0.08～0.6)×10-8cm之间。
第14题: [单项选择]According to the passage, which of the following happened on April 10, 1872 A. A great many new trees were planted. B. J. Sterling Morton was born. C. The Nebraska state government donated trees. D. A million prizes were awarded. 参考答案:A 答案解析:文章最后三句话是解题的依据，尤其是“on that first day，more than one million trees were planted．．．”最能说明A项正确。
第24题:[单选题]Mr. Henley has accelerated his sale of shares over the past year. A.held
B.increased
C.expected
D.offered 参考答案:B 题干意为“在过去的一年，亨利先生快速地抛售了他的股票。” 句中划线词意为“加速”。B项increase意为“增加”。例句：Rising prices neutralized in-creased wages．上涨的物价抵消了增加的工资。A项意为“拥有”，C项expect意为“预料”。 D项offer意为“提供”。故选B。
