Smoking and drinking may（）heart disease and cancer．

单项选择题Sea levels are（）to rise between 7 and 23 inches by the end of 21st century．

A.inspected
B.suspected
C.expected
D.detected

单项选择题（），the training will help you become better at what you do．

A.In the season
B.In the period
C.In the long run
D.In the long range