—Will you please make yourself ______ to us, please?

—I’m the honorary chairman of the committee.

A. know           B. to know       C. knowing D. known

 Environmental experts point out that ______ some serious problems such as global warming, but it also could threaten human life.

A. not only does increasing pollution cause  B. not only causes increasing pollution

C. not only increasing pollution causes    D. not only increasing pollution does cause

 —I heard that Mr. Smith has become a triathlete.

—Oh, really? He has become ______ he wanted to be.

A. who              B. which   C. what             D. that

 The stars are so hot that they ______ great light and heat — more than the hottest, brightest fire you can imagine.

A. give away      B. give in        C. give up     D. give off

 The Prime Minister criticized some celebrities for their ______ attitude towards drugs and accused them of thinking they were “above the law”.

A. informal         B. casual   C. positive   D. immoral

 Experts at the conference agreed that such a product with environmentally friendly technology is ______.

A. worth being promoted     B. worthy promoting

C. worthy of promoting           D. worthy of being promoted

 Nowadays, young people choose jobs for other reasons ______ money.

A. for              B. except       C. with    D. besides

 To care for wisdom and truth and the improvement of the soul is ______ better than to seek money and honour and reputation.

A. pretty     B. far     C. fairly        D. quite

 The written record of our conversation doesn’t ______ what was actually said. There are a lot of mistakes.

A. correspond with       B. relate to   C. look into            D. compare with

 —______! The light is still on.

—It doesn’t matter. I wear rubber gloves.

A. Look out     B. Check out     C. Go out          D. Set out