---I’m so tired,working all morning on the farm.

---Why not take a rest,then?

---______.

[　　]

A．Because I can’t afford it

B．Maybe I should

C．I don't know

D．sorry,I can't tell you

More and more public attention is ______ on the problem of pollution.

[　　]

A．paid    　B．focused

C．drawn  　 D．called

Acid rain is widely ______ as one of the most serious environmental（环境的）problems.

[　　]

A．thought    　B．recognized

C．realized 　  D．treated

Which doctor is ______ you for your heart trouble now?Do you think he will be able to ______ you of the disease?

[　　]

A．treating…cure　　 B．treating…treat

C．curing…treat　　  D．curing…cure

The problem is that your teeth want ______ before operation.

[　　]

A．X-rayed 　　 B．to X-ray

C．X-raying 　　D．ot have X-rayed

______,we should do morning exercises every day.

[　　]

A．Keep us fit 　　B．In order to keep us fit

C．Kept us fit 　　D．Having kept us fit

It is almost ______ that he will get over his illness.

[　　]

A．sure　 B．surely 　  C．certain　 D．certainly

It’s no good trying that method.It won’t ______.

[　　]

A．use 　B．affect  　C．have effect 　D．work

The sick ______ to use the mind ______ disease.

[　　]

A．will ask…to   　　B．will be asked…against

C．asked…against　　 D．will be asked…with

Only those who have ______ the medical use of psychology are ready to ______ psychological therapy.

[　　]

A．received…accept

B．accepted…receive

C．received…receive

D．accepted…accept