Climbing hills ___ of great help to health.
A: is
B: are
C: were
D: be
A: is
B: are
C: were
D: be
举一反三
- Climbing hills _____ of great help to health.
- Look! The monkeys _________ the tree.() A: climb B: are climbing C: is climbing D: were climbing
- A recent survey of problems on health（）that outdoor exercise（）of great importance to people’s health. A: have shown ; are B: are shown ; are C: has shown ; is D: is shown ; is
- Health psychology involve the application of （ ）to physical health and mental health.
- Public health is the approach to medicine that is concerned with the health of the community as a whole. Public health is ____________ health.