She says the current way to identify whether chemicals cause cancer is to test them one at a time.
她说目前确认化学成分是否造成癌症的途径每次对其进行试验。
今年会对他们进行测试。
如何检验它们?
Now,one of them moved closer, slowly,as if to test the old mans strength.
VOA: special.2010.02.27
So when someone comes to me, and they're about to do a test, I ask them, what do you expect your program to do?
因此当很多人找到我想要,做一次实验的时候,我问他们你期待你,的程序返回什么结果呢?
And then he had them take a comparative and control group an intelligence test and a memory test.
然后他对比他们和对照组的,智力和记忆力测试结果。
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