41. In order to make things convenient for the people, the department is planning to set up some ______ shops in the residential area.

A) flowing          B) drifting        C) mobile                  D) unstable

 42. Mr. Smith says: "The media are very good at sensing a mood and then ______ it."

A) overtaking        B) enlarging      C) widening                D) exaggerating

 43. This is not an economical way to get more water; ______, it is very expensive.

A) on the other hand   B) on the contrary  C) in short                 D) or else

 44. It was the first time that such a ______had to be taken at a British nuclear power station.

A) presentation       B) precaution      C) preparation              D) prediction

 45. ______ that he wasn’t happy with the arrangements, I tried to book a different hotel.

A) Perceiving        B) Penetrating      C) Puzzling                D) Preserving

41.C) mobile   42.D) exaggerating  43.B) on the contrary  44.B) precaution 45.A) Perceiving