According to the first paragraph, which of the following statements is TRUE?（单选题）
A. About two thousand and two hundred old women took part in the study.
B. Eleanor Schwarz's research program was about men and women who suffered fromdiabetes.
C. Over one fifths of the women never got married.
D. Eleanor Schwarz's results seem more reliable.
What will happen to the Concordia eventually?（单选题）
A. It will be pulled away to be broken up for scrap metal.
B. It will be repaired and put into use again.
C. It will be turned into a museum for tourists.
D. It will be sunk to the ocean floor.
The room is in a terrible mess, it _____ cleaned.（单选题）
A. can't have been
B. mustn't have been
C. shouldn't have been
D. wouldn't have been
He won the scholarship. He _____ hard these terms.（单选题）
A. should have worked
B. must have worked
C. must have been working
D. could have worked
73 A passage B support C failure D success（单选题）