At minus 130℃, a living cell can be _________ for a thousand years.
A. spared B. protected
C. preserved D. developed
I’d appreciate________if you would turn out the lights.I’m sleepy.
A. one B. that
C. this D. it
Look，heavy clouds are gathering.A terrible storm is________.
A. under way B. in the way
C. by the way D. in a way
In those days, our _________ concern was to provide people who were stopped by the snow storm with food and health care.
A. normal B. constant
C. permanent D. primary
The top leaders of the two countries are holding talks in a friendly_________ .
A. atmosphere B. state
C. situation D. phenomenon
As these new products are not selling well, the members of the board have decided to _________production.
A. cut down B. cut down to
C. cut down on D. cut off
