1. Captain Cook is preparing for his first great expedition to the Pacific. 庫克船長正在為他的太平洋遠征做準備。 prepare for 為……做(事前的)準備； prepare 準備著…..；正在干……； 試比較：They are preparing for Li Mei’s birthday party. 他們正在為李梅的生日晚會做準備。 Mother is preparing dinner in the kitchen. 媽媽正在廚房里做飯。 They are preparing for dinner. 他們正在為那頓飯做準備(買菜，洗菜)。be prepared for = prepare for 為……做(事前的)準備。e.g. The students have been well prepared for the coming examinations. 學生們已經為即將到來的考試做好了充分的準備。prepare sb. for sth. 使某人對某事有所準備；prepare to do sth. 為做某事而做準備；
2. I insist on taking proper food for this expedition. 我堅決主張攜帶適合于這次遠征的食品。insist v. 堅持；強調；后接名詞, 代詞或動名詞時要先接介詞on, 后接賓語從句時有兩種情況：1). 如果從句的動作尚未發生，用虛擬語氣 “(should) + 動詞原形”, 表示“堅決/堅持要求某人做某事”。2). 如果從句的動作已經發生，或者情況確實存在，用陳述語氣, 表示 “堅持認為；堅持說”。 e.g. They insisted on helping us with our work. 他們堅持要幫助我們干活。Our English teacher insists on the importance of correct pronunciation. 我們的英語老師強調正確發音的重要性。They insisted that he should be present at the meeting. 他們堅決要求他出席會議。 She insisted that she needed no help. 她堅持說她不需要任何幫助。 The doctor insisted that she should stay at home for at least three months. 醫生堅持要求她至少在家休息三個月。
3. So I have decided to take live animals. 所以我決定只帶活的動物。 live adj. 活的；實況的；只做定語；alive活著的；在世的；只做表語或后置定語；living adj. 活的；有生命的；可以做表語或定語，與the 連用指一類人。 請比較：Is this bird alive / living or dead? 這只鳥兒是活的還是死的？ I only want live / living fish. 我只買活魚。 His grandfather is still alive / living. 他的爺爺仍然活著。The living must fulfill the task that the dead haven’t ended. 活著的人必須完成死者的未競事業。live broadcast 現場直播。
4. at sea 在海上；在航海；all at sea 茫然；不知所措；at the sea 在海邊；by the sea 在海邊上；e.g. The ship was hit by a hurricane at sea. 那艘船在海上遭遇颶風。 I can’t understand this problem. I’m all at sea. 我不懂這條題，我完全摸不著頭腦。He lives by the sea. 他家住在海邊上。
5. I suggest taking a lot of vinegar. 我建議帶大量的醋。suggest vt. 1). 建議；后接名詞，動名詞，從句用 “虛擬語氣 (should) + 動詞原形”. e.g. Mr. Chen suggested a meeting to discuss these problems. 陳老師建議開個會來討論這個問題。She suggested that the plan should not be put into practice at once. 她建議這個計劃不要馬上實施。2). 暗示；(從句用陳述語氣) e.g. His silence suggested that he didn’t agree to our decision. 他的沉默表明他不同意我們的決定。
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