【判断题】Other microtubule plus-end tracking proteins may use EB1 to “hitchhike” onto the growing microtubule.
【单选题】Once enviromental damage ______, it takes many years for the system to recover.
【单选题】The boy is _______ interested in enviromental issues.
【简答题】要实现气缸中间定位,画出两种可行方案的气路图,其优缺点是什么?