【单选题】Where ______ the twins the day before yesterday? [ ]
【单选题】The twins were born ____ a Friday evening. [ ]
【单选题】The twins in Shanghai last week but now they in Hainan. [ ]
【简答题】When the twins were three months old, their parents died, and they were placed in separate foster(抚养)homes.
【单选题】— Why was it so noisy over there? — The Twins were surrounded by their fans ____ they stepped out of the hall.
【单选题】Why study identical twins that were separated at birth?
A.
Yes,identical twins tend to be similar if they didn't grow up together.
B.
ldentical twins inherit the same genes.
C.
Twins feel close because they have a similar appearance.
D.
Studying them helps us understand biolgical influences.