如果给药间隔时间大于药物消除半衰期的5倍，在下一次给药前体内药物已经消除完全。正确错误

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高等继续教育 / 生物药剂与药物动力学

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题型描述: 判断题
如果给药间隔时间大于药物消除半衰期的5倍，在下一次给药前体内药物已经消除完全。
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生物药剂与药物动力学

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1[阅读题] While still in its early stages, welfare reform has already been judged a great success in many states—at least in getting people off welfare. It‘s estimated that more than 2 million people have left the rolls since 1994. 【外语教育&网】 In the past four years, welfare rolls in Athens Country have been cut in half. But 70 percent of the people who left in the past tow years took jobs that paid less than $6 an hour. The result:The Athens County poverty rate still remains at more than 30 percent—twice the national average. For advocates (代言人)for the poor, that‘s an indication much more needs to be done. “More people are getting jobs, but it‘s not making their lives any better, ”says Kathy Lairn, a policy analyst at the Center on Budget and Policy Priorities in Washington. A center analysis of US Census data nationwide found that between 1995 and 1996, a greater percentage of single, female-headed households were earning money on their own, but that average income for these households actually went down. But for many, the fact that poor people are able to support themselves almost as well without government aid as they did with it is in itself a huge victory. “Welfare was a poison. It was a toxin (毒素)that was poisoning the family, ”says Robert Rector, a welfare-reform policy analyst. “The reform in changing the moral climate in low-income communities. It‘s beginning to rebuild the work ethic (道德观), which is much more important. ” Mr. Rector and others argued that once “the habit of dependency is cracked, ”then the country can make other policy changes aimed at improving living standards. 1.From the passage, it can be seen that the author ________.A) believes the reform has reduced the government‘s burdenB) insists that welfare reform is doing little good for the poorC) is overenthusiastic about the success of welfare reformD) considers welfare reform to be fundamentally successful2.Why aren‘t people enjoying better lives when they have jobs? A) Because many families are divorced. B) Because government aid is now rare.C) Because their wages are low.D) Because the cost of living is rising 3.What is worth noting from the example of Athens County is that ________.A) greater efforts should be made to improve people‘s living standardsB) 70 percent of the people there have been employed for two yearsC) 50 percent of the population no longer relies on welfareD) the living standards of most people are going down 4.From the passage we know that welfare reform aims at ________.A) saving welfare fundsB) rebuilding the work ethicC) providing more jobsD) cutting government expenses5.According to the passage before the welfare reform was carried out, ________.A) the poverty rate was loverB) average living standards were higherC) the average worker was paid higher wagesD) the poor used to rely on government aid 大学英语Ⅱ