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Passage Four The U.S. Treasury Department has redesigned the $100 bill, and has begun releasing the new currency recently. Treasury Department spent nearly 10 years on the redesign and has added a number of state-of-the-art features: micro printing, color-shifting ink, a polymer(聚合物) security thread. The most striking change, however, is the enlargement of Benjamin Franklin’s portrait: he now dominates the bill like a movie star in a newspaper advertisement. The money we carry around is so familiar that whenever a new bill or coin is introduced, it creates a ripple(波动) in our ordinary lives. But not much more than a ripple, and since few people use $100 bills regularly, most Americans greet the arrival of the new note with no stronger emotion than curiosity. Some foreigners, by contrast, have become clearly worried by the news of its arrival. Around the world, U.S. currency-and the $100 bill in particular-is often treated as the ultimate repository(贮藏所) of value. The Federal Reserve estimates that two-thirds of all U.S. cash circulates outside the United States. In nations where inflation is high and where there are few credible banking institutions-from Latin America to Africa-people save and conduct business in $100 bills. And with the U.S. issuing new $100 bills, many abroad are worrying that the ones they already have are about to become worthless. The fear is most widespread in Russia. The Russian Central Bank estimates that somewhere between $15 billion and $20 billion of U.S. currency is in Russia, about 80% of it in the form of $100 bills. Everyone from small savers to businessmen to members of Mafia(黑手党) relies on hundreds, so the changes in the bill are causing high anxiety. Many Russians have already changed their meager(微不足道) supply of $100 bills into smaller U.S. notes. But over the next few years Treasury plans to redesign every note except the $1 bill. Which of the following statements is TRUE conceming the releasing of the new $100 bill

A. Most Americans exhibit no stronger emotion than curiosity.
B. It has caused great disturbance among Americans.
C. Most Americans show a great interest in its new design.
D. All Americans feel only curious about it.

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保险的特征有哪些

在20世纪50年代,60%的受治疗的癌症病人在发现疾病后活了5年。现在60%的病人在被发现疾病后至少活了7年。这个事实显示,因为治疗方法的提高,癌症病人比20世纪50年代的病人患病后,活的时间长了。 上面论述的结论依赖于下列哪一个假设

A. 在20实际50年代,仅仅有60%的癌症病人接受治疗,而现在接受治疗的比例显著提高了。
B. 无健康保险的人现在比20世纪50年代更可能获得免费治疗。
C. 现在癌症的探测并不比20世纪50年代平均而言发现得早。
D. 现在的医生比20世纪50年代的医生在疾病被发现后预测病人活的时间更长。
E. 现在癌症病人的数量与20世纪50年代的数量大致相同。

职业安全与健康署(OSHA)的成立是为了保护工人免遭事故和远离工作中的危险。在存在OSHA的情况下,与工作相关的事故数量实际上有所上升。这显示了该机构的无能。 下面哪一项关于事故增加发生期间的陈述,如果正确,将最严重地削弱以上的论证

A. 很多工种在OSHA最初成立时的立法中被排除在其管辖范围之外,现在继续处于其管辖范围以外。
B. OSHA被分配到更多种类的工作场所去进行监督。
C. 工作的工人总数有所增加,而在OSHA监管的职业中,与工作相关的死伤数与劳动力数量之比有所下降。
D. OSHA发布的规章制度遇到当选的官员和大众媒体的政治批评。
E. 与工作相关的事故上升主要是在一种工作里,而在其他种类的工作中,事故数量大致保持不变。

数学教师安排一些选微积分课的学生参加一个由学生自己领导的小型学习小组。既然学习小组的参加者所得的平均分数比没有参加学习小组的人要高,数学系把微积分课的良好表现归因于学习小组的参加。 上面所描述的数学系的推理,假设了下面哪一个

A. 对于教授数目众多的学生的教师而言,微积分是一个困难的主题。
B. 刚开始参加学习小组的学生相对于未参加学习小组的学生既没有很好地准备,学习的积极性也并不高出多少。
C. 花在微积分学习小组中的时间对参加者其他课的学习没有显著的坏影响。
D. 很少参加学习小组的学生计划参加比微积分更深入的数学课。
E. 参加学习小组的学生比未参加学习小组的学生受到教师的个人辅导多。

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