1. ______by beautiful green mountains and situated at the foot of Huangshan Mountain makes Tai Ping Lake a famous tourist attraction.
A.Surrounded B.Being surrounded C.Having been surrounded D.Surrounding
2. Scientists have created the world’s smallest “snowman”,______about a fifth of the width of a human hair.   
A.measuring B.measures     C.measured     D.to measure
3.The postal service is rather slow ______ the speed of delivery is concerned.
A.as long as   B.as much as    C.as early as     D.as far as
4.The boy has the gift ______ the piano,which makes his parents very happy.
A.to play    B.for playing      C.for       D.of
5.It was two o’clock before I could______ to write the next chapter.
A.settle down   B.settle on     C.settle up      D.settle in
6.To their disappointment,the couple______the house but couldn’t find the missing ring,which was to bring them into great trouble.
A.got through   B.went through         C.lived through   D.looked through