Scientists chose twins for their study because ___...
Câu hỏi: Scientists chose twins for their study because ______.
A they have the same genetic background, usually with similar intelligence
B they are born into the same family, hence the same upbringing
C they have the same economic background and hence the same opportunities
D each twin has the same environment as his/ her twin
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT Quốc Gia năm 2015 môn Tiếng Anh lần 1 - Trường THPT Trần Phú