题目内容
12．Isn't it lovely to think that I ________ myself on the sunny beach tomorrow at this time．（ ）| A． | will enjoy | B． | will be enjoying | ||
| C． | am enjoying | D． | shall enjoy |
分析 一想到明天的这个时候我就在阳光明媚的沙滩上玩耍，难道不是一件快乐的事吗？
解答 答案：B．句中的tomorrow at this time表示明天这个时候，与将来进行时will+be doing连用表示将来某一时间正在进行的动作，故答案是B．
点评 将来进行时主要表示将来某一时间正在进行的动作，或表示要在将来某一时间开始，并继续下去的动作．一般用延续性动词表示．常用来表示礼貌的询问、请求或期待等．例句：This time next day they will be sitting in the cinema．
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4．You′ll do much better in your exam ______ you′re more careful with your spelling．（ ）
| A． | if | B． | although | C． | cinema | D． | library |
3．Trees are greatly useful to man in three very important ways．
The first important way is that they provide man with food，wood and other products．Trees provide not only man with food，but also many animals with food．Without trees many animals could not live on the earth．It's not easy for man to live on the earth，either．
The second important way is that trees give us shade（阴凉处）．On a hot summer day，people are looking forward to having a rest under the shade of a tree after they have walked a long way．You can imagine how important the shade of a tree is to man and to animals．
The third important way is that trees help to prevent drought（旱灾） and floods（水灾）．However，in many parts of the world，man has not realized the third important way．They cut trees down in large numbers．There will be fewer trees in the future．
People should protect trees，or they will find that they have lost the best friends they had in the end．
根据短文内容填空，每句词数不限．
The first important way is that they provide man with food，wood and other products．Trees provide not only man with food，but also many animals with food．Without trees many animals could not live on the earth．It's not easy for man to live on the earth，either．
The second important way is that trees give us shade（阴凉处）．On a hot summer day，people are looking forward to having a rest under the shade of a tree after they have walked a long way．You can imagine how important the shade of a tree is to man and to animals．
The third important way is that trees help to prevent drought（旱灾） and floods（水灾）．However，in many parts of the world，man has not realized the third important way．They cut trees down in large numbers．There will be fewer trees in the future．
People should protect trees，or they will find that they have lost the best friends they had in the end．
根据短文内容填空，每句词数不限．
| Trees are useful to man in（81）3/threeimportant ways． | Trees provide man with（82）food，wood and other products． |
| Trees give man shade on a（83）hotsummer day． | |
| Trees help to（84）preventdrought and floods． | |
| If people don't protect trees，they will find they have lost（85）the best friends they had． | |
20． she is young，she knows quite a lot．（ ）
| A． | When | B． | However | C． | Although | D． | Unless |
17．-Could you help me post the letter？-_______，but I'm quite busy．（ ）
| A． | I'd love to | B． | I think so | C． | I hope so | D． | I'm afraid |
4．She was really sad because she was told she ________give up volleyball．（ ）
| A． | was able to | B． | preferred to | C． | would rather | D． | would have to |
