The biggest risk for breast cancer patients is usually not original tumor, which is removed by surgery. The cancer becomes particularly deadly if it ___1____ and forms tumors elsewhere in the body.
But drugs to target the metastatic process would fail the current ___2____ system for breast cancer treatments.
Patricia Steeg is the chief of the Women’s Cancers Section at the National Cancer Institute. She argues in the journal Nature that a new approach is needed in testing and ___3____ breast cancer drugs.
New breast cancer drugs today must demonstrate that they shrink ____4____ tumors. But a beneficial drug might not reduce the size of a tumor. Instead, it might fight metastasis in a number of ways—it could keep cells from escaping the tumor, or kill them in the bloodstream.
Steeg argues that the FDA needs to change the model, and that anti-metastasis drugs should be tested in combination with current therapies. The success should not be related only to shrinking tumors, but rather to preventing new tumors from forming. She says this approach will help not only breast cancer patients, but millions of survivors in ___5____ who worry that a new tumor will appear.
最近，又到了一年一度BEC报名季，报名截止到3月20日10点参加5月BEC考试的同学抓紧哦“考BEC好还是考托业好？”“BEC报名费是多少钱？”“托福和雅思、BEC哪个含金量高？”……今天就...
托福口语涉及到很多习语。每天捧着书背诵无疑让大家头疼。小编建议大家多看看美剧和电影，积累地道表达，以此来提高托福口语成绩。现在来看看小编为大家整理的内容吧！ 托福口语电影加分之《功夫熊猫》>>托福...
首先，在阅读中会出现的逻辑除了常见的因果、并列、转折和比较以外，考生们还需要清楚的是举例、指代、否定和顺序也是阅读里面常见的逻辑。每一个逻辑对于解题和把握段落结构都是非常重要的。 以我们常见的比较逻辑为例。比较逻辑出现的时候需要关注四个要素：比较对象、比较方面、比较大小和比较的限制范围。举个中文例子：在冬天，南方比北方更冷。在这个句子中我们看到的比较对象即南方vs...
托业、托福和雅思各有其优缺点，哪个更简单取决于个人的背景和情况。选择适合自己的考试，并制定合理的备考计划，全面提高英语语言能力和实用技能，才能获得优异的成绩和更好的未来发展机会。一、托业，托福，雅思和BEC的区别是什么托业、托福、雅思和BEC都是不同类型的英语考试，以下是它们的主要区别：1. 研发机构：雅思和BEC由...
适合用来练习精听的材料包括：老托福听力材料中，Part C的lectures和新托福iBT的lectures。新托福iBT的lectures很长，大家可以分成几次来练听写。如果你就剩一两个月就要去参加考试，一定记住所有的练习内容都应该是和你要参加考试直接相关的材料。第一步：总听全文...