The youth think that smoking is a smart symbol.

智力障碍儿童的学习动机弱一定程度上是由其学习能力差导致的。

未知题型智力障碍儿童的学习动机弱一定程度上是由其学习能力差导致的。

创业投资的风险很高，因此回报必然也很高。

未知题型创业投资的风险很高，因此回报必然也很高。

When used in combination therapy, Artemisinin is estima...

未知题型When used in combination therapy, Artemisinin is estimated to reduce mortality from Malaria by more than 20% overall and by more than 30% in children.