根据语境或汉语提示，写出下面句子中所空缺的
单词的正确形式，每空只填一个词。(满分15分)
1) In 982 AD, when a man called Eric the Red decided to set _______ further west, there were
as many as 10,000 Vikings living in Iceland.
2) He __________ (说服) some people to go back with him to Greenland.
3) It’s said in Australia there are more lands than the government knows _______ to do with
them.
4) This book is _______ such importance that it must be published at any cost.
5) They can be _________ (教育) about daily life on the beach in this exciting area.
6) It is said that people are twice as likely to tell lies over the phone _______ they are in emails.
7) We went round and round, nearer and nearer to the horrible __________ (边缘) of the whirl-
pool.
8) A study shows that students living in non-smoking dorms are less likely to pick _______ the
habit
9) From then on, they were happy to follow Zheng He _________ (无论哪里) he led them.
10) And our porters carry your luggage, _________ means that you can simply enjoy the experi-
ence.
11) Hiking trips can be ____________ (不舒服的) and even dangerous.
12) Snowboarding has ______________ (相似) with surfing.
13) You put on diving __________ (设备) and dive under a frozen lake.
14) Working outside can mean too much sun exposure, which _________ turn can lead to skin
cancer.
15) He was also ___________ (困惑) by the black stones peopled used to burn for fuel.