【C10】A．releasesB．enlargesC．strengthensD．cushions

【C10】A．ByB．InC．ThroughD．With

【C10】A．stillB．alreadyC．tooD．yet

Which of the following is closest in meaning to the word" cushions" （Para. 2)？A．Adds up t

The effect known as bank cushion acts in which of the following ways on a single－screw ves

【C10】A．isB．areC．hadD．／

【C10】A．shakingB．noddingC．shookD．/