Connectors

For each set of three exercises, read each sentence and decide what kind of connection is being made: Addition or similarity, contrast or contradiction, or causes, reasons, or results. Then complete the sentence with a correct connector from the list provided.

also / as a result / nevertheless

1		In some regions, people not only have good health, but they live a very long time.
2		Many scientists support genetic engineering. , it is controversial.
3		Most farmers' lives are extremely active. , they do not need to make the effort to exercise like city dwellers do.

even so / thus / similarly

4		Inhabitants of the Caucasus Mountains are famous for their longevity. , those living in the Himalayas, another mountain region, also live long lives.
5		Cigarette smoking is extremely dangerous. , people continue to smoke.
6		Some experts believe that a stress-free environment is important for good health, and recommend that people avoid stress as much as possible.

too / while / for this reason

7		alternative medicine has proven to be effective in many cases, insurance still does not cover most alternative methods.
8		Meditation has been shown to relieve stress and help cure diseases, .
9		Some cities are so polluted that breathing the air can be dangerous. , you can see people wearing masks to cover their faces.