advantage n.优点，长处

be at a disadvantage/an advantage处于不利/有利地位

put/place sb.at a disadvantage/an advantage使某人处于不利/有利地位

to one's advantage/disadvantage 对某人有利/不利的是

take advantage of利用

have/win/gain an advantage over 胜过，优于 (2)The fact that he didn't speak a foreign language put him at a disadvantage.

他不会说外语使他处于不利地位。

(3)Being tall gave him an advantage over the other players.

他个子高，比其他运动员有优势。

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(1)I feel rather at a disadvantage(处于不利地位) talking to her because she's so clever.

(2)To his disadvantage(对他不利的是)，he has not enough money to invest in the project.

(3)There are advantages and disadvantages(优点和缺点) with emails.

3．shelter n．遮蔽，庇护；庇护所，避难处；v.掩蔽；躲避

(1)(原句)We'll teach you survival skills and you'll learn how to make a fire and build your own shelter.

我们将会教你生存技巧，并且你会学会怎么生火，以及怎么建你的庇护所。

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take/seek shelter from...躲避......

under the shelter of在......的庇护下

give shelter to庇护

shelter...from...保护......免受...... (2)I took shelter from the rain under a tree.

我在一棵树下避雨。

(3)Although horses do not generally mind the cold，shelter from rain and wind is important.

尽管马一般不怕冷，但是一定要有个能遮风挡雨的马棚。

(4)Trees can shelter the field from the cold wind.

树木可以保护田地免受寒风。

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(1)用适当的介词填空