问题
单项选择题
预防白喉的重要措施是（）。
A.加强疫情监测
B.确保安全供水，搞好环境卫生
C.加强食品卫生的监督和管理
D.保护易感人群，普遍接种白喉类毒素
E.做好疫情报告，积极开展健康教育
答案
参考答案：D
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预防白喉的重要措施是（）。
A.加强疫情监测
B.确保安全供水，搞好环境卫生
C.加强食品卫生的监督和管理
D.保护易感人群，普遍接种白喉类毒素
E.做好疫情报告，积极开展健康教育
参考答案：D
C The financial climate, the job market, family tensions, Obama moving into the Lincoln bedroom. Even the climate's getting in on the list. Yup, change is everywhere in 2009. If you're not careful, all kinds of strange things might happen in your otherwise ordered life, so it's best to work at avoiding change whenever it rears its head(出现). Here are 5 ways to do just that:
49．The purpose of writing this passage is_________. A．to introduce ways to avoid change in 2009 B．to attract the readers' interest in change in 2009 C．to discuss whether people should change in 2009 D．to tell the readers the news of American New President－Obama 50．Supposing you are safe, warm and comfortable now, you should______.   A．set your expectations low B．ignore any opportunities C．keep on running and don't look back D．ignore that little voice inside 51．The underlined sentence "You don't want to bite off more than you can chew" implies . A．you have big challenges to fight B．you are too small to eat too much food C．there are some big challenges you can't fight D．you are afraid of challenging some difficult tasks 52．The best way of dealing with that little voice inside is_______ .  A．to change something at once B．to have a chat with the speaker C．to discuss it with the trouble maker D．to ignore it and go on with what you are doing |