第11题: [单项选择]慢性粒细胞白血病 A. 鲜红血丝痰 B. 粉红色泡沫样痰 C. 铁锈色痰 D. 棕褐色痰 E. 黑色痰 参考答案:C
第12题: [单项选择]What should be done in order to stop the spread of bird flu A. All infected fowls have to be slaughtered. B. The government should isolate all the flu patients. C. No fowl should be raised from then on. D. Specialized hospitals should be established. 参考答案:A 答案解析:推断题。
[定位] 根据stop the spread of bird flu 定位于第四段最后一句话。
[解析] 根据原文中提到的香港应对H5N1 的经验，A)是正确的。
[排除干扰] B)
第17题: [单项选择]There is little reason to believe that the United States will ______ from its stated goal of regime change in Iraq. A. back down B. blow off C. pop up D. step up 参考答案:A 答案解析:[解析] A项“back down放弃，让步”符合题意，如：He has backed down from the position he took last week. (他已放弃他上星期所采取的立
