【題目】下表是某實驗報告中的一組數據：
實驗 序號 | 試劑1 | 試劑2 | 混合前 溫度/℃ | 混合后最高或最低溫度/℃ |
① | 3.2 mL水 | 3.2 g Na2CO3固體 | 20 | 24.3(t1 ) |
② | 35 mL稀鹽酸 | 3.2 g Na2CO3固體 | 20 | 25.1(t2 ) |
③ | 35 mL水 | 2.5 g NaHCO3固體 | 20 | 18.5(t3 ) |
④ | 35 mL稀鹽酸 | 2.5 g NaHCO3固體 | 20 | 16.2(t4) |
（1）從實驗①、③數據可知：Na2CO3溶于水________熱量，NaHCO3溶于水________熱量(填“放出”或“吸收”)。
（2）根據t2>t1 可知Na2CO3與稀鹽酸反應______熱量，根據t4<t3 可知：NaHCO3與稀鹽酸反應______熱量(填“放出”或“吸收”)。
閱讀快車系列答案科目：初中地理 來源： 題型：
【題目】I am an American boy. ___name is Paul. I am 12 . I___two friends, Sally and Mona. They’re___. We play sports___. We play soccer, basketball, volleyball and____ Sally___a sports collection（收藏）.___has seven soccer balls,___basketball, four volleyballs, and six tennis rackets. We often(經常)___volleyball on TV. What sports____you often play?
【1】A. My B. His C. Her
【2】A. am B. do C. have
【3】A. them B. brothers C. sisters
【4】A. everyday B. every day C. morning
【5】A. sports B. more C. them
【6】A. doesn’t have B. plays C. has
【7】A. He B. She C. Paul
【8】A. one B. zero C. three
【9】A. play B. have C. watch
【10】A. do B. does C. don’t
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科目：初中地理 來源： 題型：
【題目】欲除去下列物質中的雜質，把適用的試劑、操作方法的序號寫在相應的橫線上。
①加適量鹽酸、過濾、蒸發；②加適量水、過濾、蒸發；③加適量水、過濾；④加熱(或高溫灼燒)；⑤加適量鹽酸、蒸發。
（1）碳酸鈣中含有少量Na2CO3：________。
（2）KCl粉末中含有少量K2CO3：________。
（3）CaO中含少量CaCO3：________。
（4）MnO2中含有少量炭粉：________。
（5）KCl中含有少量MnO2：________。
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【題目】詞語運用（10小題，每小題1分，共10分）
用括號內所給單詞的適當形式填空。
先閱讀短文，掌握其大意。然后從方框中所給的詞中選出恰當的10個，并用其適當形式填空，每個詞限用一次。（每小題1分）
to, at, she, his, up, go, think, classes, has, doesn’t, because, watch |
Edward is my friend. He often gets 1 at 6:30 every morning. Then he 2 to school at 7:30. He 3 math at eight o’clock and history at nine. Math is 4 favorite subject. He likes it, 5 it’s very interesting. But he 6 like history, he 7 it’s boring. Mrs. Jones is his math teacher. 8 is very nice. He eats lunch 9 school, and he eats dinner at home. After dinner he watches TV for half an hour. He likes 10 TV. Then he does his homework. He goes to bed at 9:00.
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科目：初中地理 來源： 題型：
【題目】A
Many people like animals such as dogs and cats and keep one or more of them as pets. If you keep a dog or a cat as a pet, you must know how to look after it.
A grown-up dog needs two meals a day — not more. It can eat meat, fish, rice and some other things. Dogs like large bones(骨頭), but you can’t give them chicken bones. Remember to give them much clean water.
A dog should have a clean, dry box for sleeping. Washing it once a week is good for its health. If it is ill, take it to a doctor. A healthy dog will bring you more pleasure.
Be careful when you choose a cat. A cat has two meals a day with some meat or fish. It drinks a little milk every day. Sometimes you can give it vegetables to eat. Don’t forget that it needs clean water to drink.
Take good care of your pets, they will be your good friends. Maybe they can give you some help when you are in need.
【1】 Many people keep __________ as pets.
A. pandas B. elephants C. chicken D. cats
【2】 What do dogs like eating?
A. All the bones. B. Big bones.
C. Chicken bones. D. Small bones.
【3】 A healthy dog can make you __________.
A. happy B. trouble C. cry D. ill
【4】 Cats usually drink __________.
A. orange B. red ink C. apple juice D. milk and water
【5】Will pets be people’s friends according to /span>the article?
A. No, I don’t think so. B. Yes, but only a little.
C. Yes, they will. D. No, they won’t.
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【題目】 I like __________ and __________.
A. tomato, rices B. tomatoes, rice
C. tomatoes, rices D. tomato, rice
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【題目】I have an __________ book. Let’s read(閱讀) it now.
A. good B. fun
C. boring D. interesting
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【題目】 I decided to go with them, __________ I had nothing better to do.
A. though B. because C. so D. until
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【題目】下列對實驗現象或結論的描述中錯誤的是（ ）
A．碘易溶于水
B．高錳酸鉀幾乎不溶于汽油
C．水和植物油混合后用力振蕩可形成乳濁液
D．乙醇能與水互溶
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