能以接合方式转移的质粒是（）
A.R质粒
B.F质粒
C.Col质粒
D.毒力质粒
E.r质粒
参考答案：A, B, C, D
A．(A) Because they want to feel the thrill and excitement.
B．(B) Because they are tired of modern-day university life.
C．(C) Because they are interested in the scientific experiment.
D．(D) Because they find that it is the best way to reduce weight.
水运交通事故中，船舶因其他船舶兴波冲击造成损害的事故称为______。
A．触损事故 B．碰撞事故C．接触性碰撞 D．浪损事故
