Drug abusing may have some side effects on one's health; however, it is not always ________ if he stops it timely．

A．permanent

B．temporary

C．avoidable

D．beneficial

In the job interview, a sincere and ________ positive attitude is ________ must．

A．a, a

B．a, /

C．/, a

D．/, the．

________ he was the last man I wanted to see, I did all in my power to help him．

A．As

B．Now that

C．While

D．However

Two hours away from the tall buildings of New York ________．

A．some of the word's largest bears live

B．lives some of the world's largest bears

C．do some of the world's largest bears live

D．live some of the world's largest bears

Bungee jumping is an adventurous sport, popular with young adults, ________ courage matters more than strength．

A．whose

B．that

C．of which

D．where

Britain ________ many other industrialized countries, ________ major changes over the last 100 years．

A．together with; have experienced

B．as well as; have experienced

C．in common with; has experienced

D．instead of; has experienced

As I will be away for at least a year, I'd appreciate ________ from you now and then ________ me how everyone is getting along．

A．hearing; tell

B．to hear; tell

C．hearing; telling

D．to hear; to tell

I wonder what it feels like to be one of ________ really rich．The Browns already have two Rolls－Royces and now they are buying ________ third．

A．the; the

B．不填; a

C．the; a

D．不填; the

They told me it would be cheap but ________ it cost me nearly ＄500．

A．in a word

B．at last

C．in fact

D．as a result

Because he was ________ the new limit, he was stopped and wanted for speeding．

A．good at

B．tired from

C．unaware of

D．uninterested in