Recently I took part a geography research study group. Our topic   1. ________

is environmental pollution and protection.We took a variety               2. ________

of pictures showed the present pollution conditions of our city. To          3. ________

our surprised, there are still a lot of people doing silly things to our         4. ________

surroundings. Some people throw rubbish anywhere where they like;        5. ________

some cars give off harmful gases and waste water are poured into the        6. ________

rivers by some factories. Worse still, people sometime have to make         7. ________

them way through dusty winds as a result of the the pollution. Through      8. ________

our research, we come to know that everybody must pay more attention      9. ________

to our environment and some measure should be taken                   10. ________

The seats in the meeting-room have________.

    A. almost been completely filled all  

    B. all been almost completely filled

    C. completely been almost all filled  

    D. almost all been completely filled

He was ______ medical student before he turned _______ engineer.

  A. a; an           B. the; the       C. a; /            D. /; an

A deaf-and- dumb(聋哑)man ________ some nails, so he entered a store, put two fingers together on the counter and made hammering movements with the other hand.

   A. bought        B. tested           C. found         D. needed

I’d rather you did some housework when you are free, but you __________.

   A. weren’t        B. didn’t          C. wouldn’t         D. don’t

The Klondike was the_____ of one of the biggest gold rushes the world has ever known.

　　A. scene   B. view   C. event    D. landscape

The very sight of the _____ buildings assured these tourists of the significant changes in this city.

　　A．instinctive  B．impressive  C．institutional  D．imaginary

She is neither good at Chinese, nor ＿＿＿＿＿ English.

A.is    B.was   C.were   D./

Father advised me not to say anything until＿＿＿＿＿ at the meeting.

A.asking B.to ask C.asked D.ask

＿＿＿these ancient buildings in this city are!

A.What perfectly protected

B.How perfect protected

C.How perfectly protected

D.What perfect protected