________, I could not memorize the text．

However hard did I try

However hard I tried

However I tried hard

However I had tried hard

________, he talks a lot about his favorite singers after class．

A quiet student as he may be

Quiet student as he may be

Quiet as he may be a student

Be a quiet student as he may

To develop the New Economy, we must not only update our economy with advanced science and technology, but also, ________ this new trend of development．

in addition to

in response to

in contrast to

in relation to

The people began to break the windows, but the police soon had the situation ________．

under way

under control

under review

under consideration

As is often pointed out, knowledge is a two-edged weapon which can be used ________ for good or evil．

similarly

widely

equally

properly

There are signs that there is a growing tendency for people to turn away from ________ western medicine to alternative methods of treatment．

conventional

pessimistic

bureaucratic

theoretical

Government should adopt laws that would ban advertising and other types of ________ of tobacco products．

delivery

spread

promotion

discount

The managing director took the ________ for the accident, although it was not really his fault．

guilt

response

blame

accusation

The former Olympic champion was ________ in the quarterfinals last night when he lost 0-2 at home．

knocked off

knocked out

knocked down

knocked over

The workers agreed to ________ the strike if the company would satisfy their demands．

call for

call in

call off

call up