10．
As Keira climbed into bed，she thought about tomorrow's field trip．Her class was going to a presentation by a West African traditional storyteller．Keira was excited because she was of West African descent．Her great-grandmother had come to the United States from Senegal，a country in West Africa．Until now，Keira hadn't thought much about her roots（根源）．
Early the next morning，Keira looked everywhere for something to show her West African roots．She dug through every drawer，but she couldn't find anything that really stood out．Finally，she put on a white shirt and jeans．Although she wore ordinary clothes，she hoped that her interest in her West African roots would not go unnoticed．
At the community center，Keira was lucky enough to get a front-row seat．The first speaker talked about African writers and how they often use traditional stories with traditional characters，such as the Tortoise and the Spider．The speaker mentioned writers her mother and grandmother liked!Also，Tortoise was a favorite character in Keira's bedtime stories．Finally，the speaker mentioned Doudou N'Diaye Rose．He was Keira's favorite drummer．He was from Senegal．She began to realise just how much her West African roots influenced her American life．
Finally，the storyteller came up．He told a story that explained how the chameleon，a small lizard（蜥蜴），changed its colors．Then he introduced the Spider and Tortoise．It was known that they appeared to be generous but in fact they wanted to keep everything for themselves．Some of the stories made these characters seem poor as they fought for every last piece．However，they were simply naughty（调皮的）．They certainly did learn their lessons!
Keira couldn't keep her mind from thinking about all the different stories her mother had told．Her memory was pouring out again!She knew about everything the storyteller said．
After the presentation，the class talked to the storyteller．Keira told about how her great-grandmother had moved to the United States from Senegal．Her great-grandmother left her village because of a famine，a time of hunger．She had explained to Keira's grandmother that the villagers spent days begging for food．Her great-grandmother finally came to the United States．Keira told the storyteller about those of her bedtime stories．
When Keira was finished，the storyteller pointed out that she had just done his job．She had described her family and the stories they told．Keira could hardly wait to tell her mother and grandmother the news!
34．Keria wasB about the presentation on the evening of the day before．
A．nervous
B．excited
C．surprised
D．unhappy
35．Keria wore ordinary clothes that day becauseC．
A．the clothes made her stand out
B．they were her favourite clothes
C．she didn't find anything with West African roots
D．she didn't want to show others her West African roots
36．A was a favourite character in Keria's West African traditional stories．
A．Tortoise
B．Spider
C．Lizard
D．Chamelon
37．From the passage，we can learnC．
A．culture can't go without certain kinds of clothes
B．one can't find his roots without going to his own country
C．culture not only appears in something material like clothes
D．culture will die soon after you live far away from your place．
