A lot of people could fall ill after drinking contaminated water.（）

People were given physical fitness tests in order to find out ______ .

A．how well they could do in athletics

B．what their health condition was like

C．what kind of fitness center was suitable for them

D．whether they were fit for aerobic exercise

The author believes that the use of biometrics______.

A．will cause a lot of people to move to the Rockies

B．is not welcomed by most people

C．will lead to a violation of personal privacy

D．offers a lot of benefits to people

If people don't stop smoking, they will ______.

A．pollute the air

B．waste a lot of money

C．become stupid

D．be in poor health

A．They advised people what to see and where to go.

B．They provided people with a lot of entertainment.

C．People had chances to see the places where they'd like to go.

D．People were able to see other parts of the world they would never themselves be able to visit.

Ordinary people laugh a lot when they are alone.

A．Y

B．N

C．NG

A.like

B.for

C.as

D.to

The change of weather made a lot of people sick.

A．Right.

B．Wrong.

C．Doesn't say.

A lot of people could fall ill after drinking contaminated water.

A．boiled

B．polluted

C．mixed

D．sweetened

If people don't stop smoking, they will ______.

A. pollute the air

B. waste a lot of money

C. become stupid

D. be in poor health