___________in the mountain for a week, the students were finally saved by the local police .
| A．Having lost | B．Lost | C．Being lost | D．Losing |
—Is that Dec.21,2012 is the end of the world true?
—Definitely not，but ________ must be paid to global climate change.
| A．contact | B．care |
| C．attention | D．influence |
—These days，he has stayed up late into night in order to get good marks in the following monthly test.
—It's no ________ that he seems tired and asleep in class every day.
| A．wonder | B．problem |
| C．doubt | D．question |
I sent a big bunch of flowers to the nurse as an ________ of thanks for her taking good care of my grandpa in the nursing home.
| A．attitude | B．impression |
| C．appreciation | D．expression |
The system has been designed to give students quick and easy ________ to the digital resources of the library.
| A．access | B．passage |
| C．way | D．approach |
Hiking by oneself can be fun and good for health.It may also be good for ________ building.
| A．respect | B．friendship |
| C．reputation | D．character |