【題目】某初三年級的同學(xué)正在籌備畢業(yè)晚會,預(yù)定有以下飲料,其中不屬于溶液的是( )
A.啤酒
B.酸奶
C.礦泉水
D.可口可樂
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科目:初中地理 來源: 題型:
【題目】化工生產(chǎn)中為了加快反應(yīng)速率,常常先把反應(yīng)的固體配成溶液再兩兩混合。
(1)在農(nóng)業(yè)上,為了合理使用農(nóng)藥,常把不溶于水的固體或液體農(nóng)藥配成 _________ 或 _________ ,用來噴灑受病蟲害的農(nóng)作物。
(2)用X射線檢查腸胃病時(shí),醫(yī)生會讓病人服用“鋇餐”來輔助檢查,“鋇餐”就是
硫酸鋇 (溶液、懸濁液、乳濁液)。
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科目:初中地理 來源: 題型:
【題目】用括號里所給單詞的適當(dāng)形式填空。
【1】 I am watching my dog __________ (play) with a ball now.
【2】 Children often enjoy __________ (play) computer games.
【3】 __________ (take) a bus from Sixth Avenue and go down Bridge Street.
【4】 Walk down New Street and turn left at the first __________ (cross).
【5】 Do you want __________ (buy) books?
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科目:初中地理 來源: 題型:
【題目】相信你會辨別:
寫出下列溶液中的溶質(zhì)、溶劑:
溶液 | 氯化鈉溶液 | 高錳酸鉀溶液 | 過氧化氫溶液 | 碘酒 | 澄清石灰水 | 鹽酸 |
溶質(zhì) | ||||||
溶劑 |
由上(并結(jié)合書本)可知:
(1)________是最常見的溶劑.
(2)溶質(zhì)狀態(tài)可以是________________________.
(3)固體、氣體與液體混合,________是溶劑.
液體與液體混合,有水的,水是________;無水的,量多的是________.
小竅門:可以根據(jù)________________辨別出溶質(zhì)、溶劑.
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科目:初中地理 來源: 題型:
【題目】 根據(jù)句意和漢語提示寫出單詞。
【1】Daniel with his classmates often _______ (借) many books from the school library,
【2】I like _______ (地理)best, because 1 like travelling.
【3】There are all _______ (種類)of books in our school library.
【4】After _______ (課), we often say goodbye to our teacher.
【5】Don't frighten (嚇唬)him. He is _______ (僅僅) five years old.
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科目:初中地理 來源: 題型:
【題目】A man once bought a parrot. The man let him fly freely all over the house instead of putting him in the cage. The parrot was pleased with that and flew from room to room,screaming with happiness.
"Who on earth are you?" said a voice from below. "Don't make that terrible noise any more."
The parrot saw a cat staring(盯著)up at him from the floor.
"I'm a parrot. 1've just arrived and I'm to make as much noise as I can,”he said.
"Well,I've lived here all my life, " answered the cat. "I was born in this house and I learnt from my mother that it is the best to keep quiet here."
"Keep quiet then," said the parrot happily. "I don't know what you do around here, but I know my job. My master bought me for my voice and I'm going to make sure he hears it."
【1】The underlined word "master" means " " in Chinese.
A. 爸爸 B. 主人 C. 哥哥 D. 親戚
【2】There are kinds of animals in the passage.
A. four B. three C. two D. one
【3】The cat asked the parrot to
A. listen carefully B. keep noisy
C. keep quiet D. do his job
【4】From the passage we know .
A. everyone should do his job
B. the cat sleeps every day
C. the parrot is not free
D. the cat has just arrived at the house
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科目:初中地理 來源: 題型:
【題目】Ⅲ. 根據(jù)要求完成下列句子。
【1】They played volleyball yesterday afternoon. (改為一般疑問句)
________they ________ volleyball yesterday afternoon?
【2】I went to Central Park with my sister on Sunday. (改為否定句)
I ________ ________ to Central Park with my sister on Sunday.
【3】Lucy bought a watchphone ten minutes ago. (對畫線部分提問)
________ ________ Lucy ________ ten minutes ago?
【4】Jack is watching a football game on TV now.
(用last night替換now)
Jack ________ a football game on TV last night.
【5】My father went to Beijing yesterday. (對畫線部分提問)
________ ________ your father ________ yesterday?
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科目:初中地理 來源: 題型:
【題目】下列關(guān)于溶解度的說法正確的是( )
A.100g水溶解20g某物質(zhì)剛好飽和,則該物質(zhì)的溶解度為20g
B.20℃時(shí),100g水中溶解了10g某物質(zhì),在20℃時(shí),該物質(zhì)的溶解度為10g
C.20℃時(shí),50g水最多可溶解18g食鹽,則20℃時(shí),食鹽的溶解度為18g
D.20℃時(shí),32g硝酸鉀需要100g水才能恰好完全溶解,則20℃時(shí)硝酸鉀的溶解度為32g
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