People in modern times are trying to have a varied and balanced _______ to improve their living quality.
A. food
B. diet
C. risk
D. health
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My grandpa has to take several pills to _________ high blood pressure.
A. counteract
B. hamper
C. cause
D. offer
In our reading, we should always __________ for idiomatic expressions.
A. alert
B. be alert
C. are alert
D. alertly
_______________ copper, there are many other metals which are good conductors.
According to
B. In addition to
C. Due to
D. In contrast to
With the development of rural tourism, some problems arise which __________ the sustainable development.
A. reduce
B. check
C. reflect
D. affect