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单元语法小专题
Section A(Grammar Focus 4a－ 4d)
含有since和for的现在完成时
since和for是现在完成时常见的标志词。since意为“自从……”，用来说明动作的开始时间；for后接时间段，用来说明动作延续的时间长度。
【注意】
Ⅰ.用括号内所给单词的适当形式填空
1．I saw Harry in February and I ________(not see) him since then.
2．My hometown ________(change) a lot since the subway was put into use.
3．Lisa ________(live) in Nashville，the home of country music，since she was a child.
4．Mr Smith ________(work) at the Natural History Museum for more than 10 years，so he knows a lot about insects.
5．My father and I ________(take) a lot of photos at the same place in the past ten years.
Ⅱ.同义句转换
1．Lisa bought a new flat in the city centre two years ago.
Lisa has ________ a new flat in the centre of the city ________ two years ago.
2．Jack borrowed my bike two days ago.
Jack ________ ________ my bike for ________ ________．
3．She left Tokyo three years ago.
She ________ ________ ________ ________ Tokyo for three years.
4．He came here a week ago.
He ________ ________ here since a week ago.
5．Jim joined the mountain climbing club two years ago.
Jim ________ ________ ________ the mountain climbing club for two years.
Ⅰ.用方框中所给单词或短语的适当形式填空
warm，help out，primary，charity，army
1．The ________ were quickly dispatched to the earthquake－stricken area to carry out rescue operations.
2．My ________ goal this semester is to improve my English speaking skills.
3．When my family was in trouble，my neighbours ________ by providing food and other necessities.
4．Many people donate money to ________ every year to help those in need.
5．The host greeted the guests ________ at the door and showed them to their seats.
Ⅱ.阅读理解【主题：人与社会　志愿服务】
If you do well in caring about patients，take part in our volunteer programs！You can act as teachers or workers here.You can also volunteer at our volunteer camps，acting as role models and guiding young campers in activities.
After－school Volunteer Program This is a great step for teenager students. Ages：14 to 18 When：apply for (申请) it from February to June How long：at least 8 hours a month for at least 3 months Tel：67094563
Summer Volunteer Program If you are a student，like talking to people，have love for kids，and are looking for a meaningful way to spend your summer，our Summer Volunteer Program is the right one for you! Place：Volunteer Service Centre
Ages：16 to 18 When：apply for it from March to June How long：at least two months; start from July Tel：20934872
Application Process 1．Fill out the online application. 2．Have the training courses by Volunteer Service Centre. Click here or call us for more information about our volunteer programs.
1.Who can apply for the After-school Volunteer Program
A．A 12-year-old student who loves helping others.
B．A 19-year-old student willing to volunteer for 3 months.
C．A 14-year-old student with good patient-care skills.
D．An 18-year-old student available only in July.
2．What should Eric do if he wants to join the Summer Volunteer Program
A．Get much travel experience.
B．Apply for it between March and June.
C．Write letters to the manager (经理) of the activity.
D．Call the number 67094563 for more information.
3．What is the first step in the Application Process
A．Calling the Volunteer Service Centre.
B．Taking training courses.
C．Filling out an online form.
D．Attending a volunteer camp.
4．Where might you read such a passage
A．In a school notice.
B．In a science magazine.
C．In a travel guide.
D．In a history book.
【详解答案】
语法精练
Ⅰ.1.haven't seen　2.has changed
3．has lived　4.has worked　5.have taken
Ⅱ.1.had；since　2.has kept；two days
3．has been away from　4.has been
5．has been in
课时巩固
Ⅰ.1.armies　2.primary　3.helped out
4．charities　5.warmly
Ⅱ.【语篇解读】本文主要介绍了关于志愿者招募的详细信息。
1．C　解析：细节理解题。根据“If you do well in caring about patients，take part in our volunteer programs！”及“After-school Volunteer Program…Ages：14 to 18”可知，课后志愿者项目年龄要求是14—18岁，且文章开头提到“擅长关心病人”，选项C符合要求。故选C。
2．B　解析：细节理解题。根据“Summer Volunteer Program…When：apply for it from March to June”可知，夏季志愿者项目申请时间为三月至六月。故选B。
3．C　解析：细节理解题。根据“1.Fill out the online application.”可知，申请流程第一步是填写在线表格。故选C。
4．A　解析：推理判断题。通读全文可知，文章内容为针对学生的志愿者项目的招募信息，最可能出现在学校通知中。故选A。

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