【单选题】Which of the following has been proven both practically and theoretically?
A.
Depression has some direct physiological impact on the heart.
B.
Antidepressants are closely related to heart disease.
C.
Antidepressants' disadvantages outweigh their advantages.
D.
Anger and hostility may contribute to a heart attack.
【单选题】A new __________to teaching English is being used here, and it has proven to be very helpful to the students.
【简答题】Section D. 16. Where can you find the meeting rooms in the building? On _________ .
【简答题】Athens 2004 has been proven to be the best Olympic s.