题目内容
Some persons gain goal and direction from their tensions others ________ under pressure.
查看答案
搜索结果不匹配？点我反馈
更多问题
In the original testㄛall the animals in a test group are given a substance _______ half of them die.
Even with the new development in research， only a tiny ________ of all tests are done without using animals.
________， what could we do？
The Netherlands is the only country in Europe which permits euthanasia， ________ it is not technically legal there.
微信支付 
支付宝支付