【简答题】Page seems to believe that [A]the gene loss of Y chromosome is sure andfast. [B]thegene loss of Y chromosome is quite slow. [C]the Y chromosome is facin9“imminentdemise”. [D]the Y chromosome will be r...
【简答题】You can only be sure of __________ you have at present; you cannot be sure of something __________ you might get in the future. A.that; what B.what; / C.which; that D./; that