A.they are working in the isolated arctic regions
B.they are writing reports in terribly cold weather
C.they are free from work in the isolated arctic regions
D.they are coming into touch again with the outside world
[主观题]to explorers in 选择Radiationisthegreatestknowndangertoexplorersin_________[A]earth[B]atmosphere[C]space[D]environment
[单选题]When one of the parties commits a fundamental breach of contract, the contr
[单选题]When one of the parties commits a fundamental breach of contract, the contr
[单选题]A teacher may encourage students to__________ when they come acrossnew word
[单选题]A teacher may encourage students to __________ when they come across new wo
[单选题]When a teacher tells students that the word \"dog\" may imply \"loyalty\",
[主观题]14 try catch finally中 catch和finally的作用
[单选题]The author cites the Eskimos not suffering from common colds forever to ind
[问答题]For centuries, explorers have risked their lives venturing into the unknown
[单选题]On May 1,2006,NewYork's Empire State Building celebrated its 75th birthday.