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Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation. How did people in the early Ice Age keep warm

A. They lived in large groups.
B. They used sand as insulation.
C. They kept fires burning constantly.
D. They faced their homes toward the south.

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What does Martha say about office diaries（）

A. She thinks that, unfortunately, they are necessary.
B. She never uses one at all.
C. her secretary keeps one for her.

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有以下程序： #include ＜iostream＞ using namespace std； class A public： virtual void setx(int i，int j=0) x=i； y=j； virtual void print()=0； protected： int x，y；； class B ： public A public： void print() cout＜＜Xx＜＜","；； class C：publiC A publiC： void print() cout＜＜xxx＜＜end1；； int main() A pa； B b； C c； pa=&b； pa-＞setx(5)； pa-＞print()； pa=&c； pa-＞setx(2)； pa-＞print()； return 0；程序运行后的输出结果是【14】。

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下列加点的字读音全都正确的一组是（）。

A. 脉脉(mò)；间(jiān)隙；肤(fū)浅；兴(xīng)学图强
B. 且吮(shǔn)吸；咀(jū)嚼；负荷(hè)；泰然处(chǔ)之
C. 蛮横(hèng)；创(chuāng)伤；倩(qiàn)影；殒(yǔn)身不恤
D. 潺潺(chán)；牲畜(chù)；中(zhōng)肯；字斟(zhēn)句酌

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Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. What did the professor want to talk to Ann about

A vacation trip to Yellowstone Park.
B. A lecture by a visiting professor.
C. Her biology thesis.
D. A research project.

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Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation. How did people in the early Ice Age keep warm

A. They lived in large groups. B. They used sand as insulation. C. They kept fires burning constantly. D. They faced their homes toward the south.

What does Martha say about office diaries（）

下列加点的字读音全都正确的一组是（）。

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. What did the professor want to talk to Ann about

A. They lived in large groups.
B. They used sand as insulation.
C. They kept fires burning constantly.
D. They faced their homes toward the south.