It's quite ________ that Mike is lying- he can't be hungry already, for he had lunch only an hour ago!

A．genuine

B．contrary

C．obvious

D．rare

On ________ April Fool's Day, some of the naughty boys in our class played ________ trick on the new teacher．

A．the; a

B．the; 不填

C．不填; a

D．不填; 不填

I never think myself a stupid boy．________, I know I'm on the road to success．

A．On the other hand

B．In other words

C．On the contrary

D．By the way

Once children reach the age of 18, they are encouraged to be ________ and make a living on their own．

A．independent

B．religious

C．genuine

D．proud

This memorial was built ________ those heroes who laid down their lives for the liberation of the poor people．

A．in memory of

B．to remember

C．for the memory of

D．to the memory of

Many countries are increasing their use of natural gas , wind and other forms of ________．

A．energy

B．source

C．power

D．material

He made up his mind to devote his life ________ pollution ________ happily．

A．to prevent; to live

B．to prevent; from living

C．to preventing; to live

D．to preventing; from living

I want you to ________ each sum of the money you spent．

A．count on

B．account for

C．on account of

D．on all account

The poor girls had to ________ by selling newspapers．

A．earn their livings

B．make their livings

C．get their living

D．make their living

The government tried its best to ________ the people's needs, but the people were still not ________．In fact, what the government did was not ________．

A．satisfy; satisfied; satisfying

B．satisfy; satisfying; satisfied

C．satisfied; satisfied; satisfying

D．satisfying;satisfied; satisfied