Some heartening statistics were reported last year by the Journal of the National Cancer Institute: the mortality rate for breast cancer dropped nearly five percent between 1989 and 1992, the Largest decline since 1950. The numbers were even more dramatic for young women: between 1987 and 1992, the mortality rate plummeted nearly 18 percent among white women younger than 40.
But discouraging news also surfaced: the mortality rate among black women has gone up, and the number of reported breast cancer cases is rising as well. Twenty years ago a woman’s lifetime risk of breast cancer was one in 12; now it’s one in eight.
Nevertheless, we’re on the verge of a revolution in treating this disease. Researchers now have a clear picture of how a cancer cell becomes a tumor -- and how cells break free from a tumor and glide through the bloodstream to seed a new one in another part of the body. And they better understand how the female hormone estrogen mak
A. The mortality rate for breast cancer dropped.
B. The mortality rate among black women has increased.
C. The number of reported breast cancer cases is rising.
D. A woman’s lifetime risk of breast cancer is rising.
| It is reported that alcohol abuse on
college campuses is on the rise. But alcohol abuse is only one symptom of a
larger campus crisis. There is a growth in racism, sexism, assault, attempted
suicide, theft, property damage and most disappointing of all, cheating on
exams. A generation has come to college quite fragile, not very secure about who it is, fearful of its lack of identity and without confidence in its future. Many students are ashamed of themselves and afraid of relationships. It is happening because the generation now entering college has experienced few authentic connections with adults in its lifetime. I call this the "Culture of Neglect", and we—parents, teachers, professors and administrators—are the primary architects. It begins at home, where social and economic factors result in less family time for A. Alcohol abuse. B. Cheating on exams. C. Racial discrimination. D. Lack of financial support. [单项选择]An American manufacturer of space heaters reported a 1994 fourth-quarter net income (total income minus total costs) of $41 million, compared with $28.3 million in the fourth quarter of 1993. This increase was realized despite a drop in U.S. domestic retail sales of space-heating units toward the end of the fourth quarter of 1994 as a result of unusually high temperatures.
Which of the following, if true, would contribute most to an explanation of the increase in the manufacturer’s net income ？（） A. In the fourth quarter of 1994, the manufacturer paid its assembly-line workers no salaries in November or December because of a two-month-long strike, but the company had a sufficient stock of space-heating units on hand to supply its distributors. B. In 1993, because of unusually cold weather in the Northeast, the federal government authorized the diversion of emergency funding for purchasing space-heating units to be used in the hardest-hit areas. C. Foreign manufacturers of space heaters reported improved fourth-quarter sales in the American market compared with their sales in 1993. D. During the fourth quarter of 1994, the manufacturer announced that it would introduce an extra-high-capacity space heater in the following quarter. E. In the third quarter of 1994, a leading consumer magazine advocated space heaters as a cost-effective way to heat spaces of less than 100 square feet. [填空题]A—president B—dean of studies
C—professor D—lecturer E—Alma Mater F—alumnus G—student union H—sophomore I—boarder J—postgraduate K—compulsory course L—extracurricular activities M—semester N—credit O—academic record P—school report Q—dissertation R—diploma S—scholarship T—tuition ( )必修课 ( )成绩单 我来回答: 提交
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