题目内容
4. Asia and Africa are the two biggest (洲)
4. continents
[语境展不]阅读下面句子，并试着归纳puzzle的意思及用法。
1. My sister likes doing crossword puzzles.
2. Scientists have been trying to solve this puzzle for years.
3. The findings of the survey puzzle me — they’ re not at all what I could have expected.
4. Susan' s been puzzling about / over this strange letter for weeks.
[自我归纳]puzzle既可作名词,也可作动词。
★作名词时，意为:①谜，智力游戏(句1) ;②难题，谜般的事物(句2)
★作动词时，意为 “”,常用于以下结构:puzzle sb.使某人困惑
(句3) ; puzzle about / over sth.苦苦思索，仔细琢磨(句4) 。
Task I. Read the text and fill in the blanks in the chart. Try to understand what they saw when they were travelling across the continent from west to east.
1.2.3.4.5.6.7.8.
1.振作起来吧！你的困难不久就会过去的。
! Your troubles will soon be over.
同位语从句通常由that引导,that不在从句 中充当成分，一般不能省略同位语从句也可以由 ，whether,where,why等引导。
II. 用适当的介词填空。
1. My sister has a great gift languages.
2. 我到;厌到处跑，我想在北京定居下来。
I hate all this travel; I want to in Beijing.
6. The price includes morning coffee, (自助餐) lunch,and afternoon tea.
9. Because we know each other a little better,we get along fine.
we know each other a little better,we get along fine.
