()1. I have made a lot of friends I joined the organization.

A.before
B.when
C.after
D.since

D

本题考查现在完成时的用法。主句用现在完成时（have made），从句用一般过去时（joined），since引导此类时间状语从句，符合语法规则，故选D。

()2. This small act of kindness can to those people in trouble.

A.make a difference
B.hand out
C.come along
D.sign up

A

本题考查动词短语辨析。A项make a difference to意为“对……有影响”，符合句意；B项hand out意为“分发”，C项come along意为“出现、一起来”，D项sign up意为“报名”，均不符合语境。

()3. —We need to do something to help those poor kids.
—What about holding a(n) to raise money for them?

A.nursing home
B.animal shelter
C.charity sale
D.clean-up organization

C

理解句意：需举办活动为贫困孩子筹钱。分析选项：A养老院、B动物收容所、C慈善义卖、D清洁组织，只有慈善义卖是筹钱的合适活动，符合语境，故选C。

()4. —Look! The old lady has fallen down. Let's go and .
—OK. Let's hurry.

A.help out
B.look out
C.find out
D.hand out

A

理解句意：老太太摔倒了，我们去帮忙。辨析短语：A.help out（帮助）；B.look out（小心）；C.find out（查明）；D.hand out（分发）。结合语境，选A。

()5. —My grandmother is 75 years old, but she is still very active.
—Yes, many people in our neighborhood do morning exercises every day.

A.young
B.elderly
C.disabled
D.adult

B

先理解对话：奶奶75岁但仍活跃，回应说邻里很多______人做早操。A是年轻的，B是年老的，C是残疾的，D是成年的。结合语境，75岁属于老人，选B。

四、句子排序。(把下列句子按正确顺序排序,在括号里填入正确的序号。)
()She missed some classes last week so I shared my notes and we studied together.
()And Emma gave me some candies in return! She said I saved her day!
()What happened? How did you do it?
()Mom! Today I helped my classmate Emma.
()Wow! That was nice of you!
()You really did. So how are you feeling now?
()That's a good idea! I'm proud of you.
()How are you going to do that?
()I feel great! I want to help more classmates in the future.
()I'll probably start a study group.

3、4、2、1、5、6、10、8、7、9

本题为英语日常交际对话排序题，需结合对话逻辑顺序（引出事件→询问经过→说明做法→后续反馈→夸赞→询问感受→回答感受与想法→询问计划→说明计划→评价计划）排列，符合日常交流语境。