597.Stressful environments lead to unhealthy behavior such as poor eating habits,which _______ increases the risk of heart disease.
A.in turn
B.in return
C.by chance
D.by turns
598.It soon became clear that the Labour Party had,for the first time in its history,won its thrid election ______.
A.in a hurry
B.in a way
C.in other words
D.in a row
597.答案是A;in turn 反过来；in return作为回报；by chance 碰巧；by turns轮流。
598.答案是D;in a hurry 匆忙地;in a way 在某种程度/意义上;in a row 连续不断地。
