Which of the following, if true, would most weaken the authors assertion that, in the 1970s, corporate response to federal requirements(lines 23 — 24)was substantial？
A. Corporate contracts with minority-owned businesses totaled $ 2 billion in 1979.
Between 1970 and 1972, corporate contracts with minority-owned businesses declined by 25 percent.
C. The figures collected in 1977 under-represented the extent of corporate contracts with minority-owned businesses.
D. The estimate of corporate spending with minority-owned businesses in 1980 is approximately $ 10 million too high.
E. The $1.1 billion represented the same percentage of total corporate spending in 1977 as did $ 77 million in 1972.
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According to the passage, the floor of the Black Sea can best be compared to a
A. rapidly moving conveyor belt.
B. slowly settling foundation.
C. rapidly expanding balloon.
D. violently erupting volcano.
E. slowly eroding mountain.
著名主持人杨澜谈到自己20年前毕业时的情况，当时国家刚开始不包分配，她跑了多家单位也没找到很满意的工作，于是找父亲“撒气”：“你为什么不能给你那些学生打个电话。找点关系？”当时父亲连续问了她3个问题：你是不是大学毕业了？你是不是接受到很好的教育了？你是不是成年了？在得到肯定的答复后，父亲语重心长地说了一句：“父母责任已尽到了，剩下的靠你自己。” 杨澜后来自己出去找工作，自己去努力，用年轻的资本去接受挫折和失败。
有人说，高学历不如有个好爸爸，结合杨澜的事迹，请你谈谈对自己就业的看法。
被该公司裁减的部分员工因为长时间找不到工作而决定放弃寻找工作先回家休息，关于这种情况的说法，正确的是（）
A. 他们的选择有助于降低当前的失业率
B. 他们的选择有助于提高当前劳动力参与率
C. 这是一种典型的灰心丧气的劳动者效应
D. 这是一种典型的附加劳动者效应
冈上肌的主要功能是()。
A. 协助三角肌使臂外展
B. 使上臂旋内
C. 协助三角肌使臂内收
D. 使上臂旋外
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