【題目】 —I don’t have __________ money to buy the book. What about you?
—But I have __________ now. I can borrow you some.
A. some; some B. some; any C. any; any D. any; some
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【題目】鐵和過(guò)量稀硫酸充分反應(yīng)后,所得溶液中的溶質(zhì)是( )。
A.只有硫酸亞鐵
B.只有鐵
C.只有硫酸鐵
D.有硫酸亞鐵和硫酸
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【題目】Andy __________ chats with his friends after class because he is busy doing his homework.
A. always B. usually C. seldom D. often
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科目:初中地理 來(lái)源: 題型:
【題目】A
Tony and Anna are brother and sister. They are Americans. Tony likes sports very much. He can play football, basketball and volleyball. Anna likes music very much. She can’t play ball games. But they both like playing games on computers.
They like eggs, bread and milk for breakfast. For lunch, Anna likes eating vegetables and fruit, but Tony likes chicken and fish. They both like hamburgers. But they don’t like ice cream or cheese.
【1】 Anna is Tony’s __________ and they are __________.
A. sister; Chinese B. sister; Americans
C. friend; Americans D. brother; Americans
【2】 Tony likes __________ and he can play __________.
A. sports; games B. music; basketball
C. sports; volleyball D. sports; tennis
【3】Tony and Anna both like __________.
A. vegetables B. football
C. playing games D. ice cream
【4】For breakfast, they like __________.
A. eggs, bread and milk B. ice cream or cheese
C. chicken and fish D. vegetables and fruit
【5】 They don’t like __________ or __________.
A. ice cream; vegetables B. ice cream; cheese
C. chicken; fish D. hamburgers; cheese
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【題目】某同學(xué)進(jìn)行“物質(zhì)溶解時(shí)的吸熱或放熱”的探究實(shí)驗(yàn):他取三支試管,向試管中分別注入5mL水,測(cè)得水的初溫為20℃,再分別向三支試管中各加入3g氫氧化鈉、氯化鈉、硝酸銨固體,振蕩。
(1)“振蕩”試管的目的是__________________________________________________.
(2)用溫度計(jì)分別測(cè)出三支試管中溶液的溫度,高于20℃的是_______________溶液,這是因?yàn)開(kāi)___________________________________________________________.
(3)裝有硝酸銨溶液的試管外壁有水珠產(chǎn)生,原因是_____________________________.
(4)由此實(shí)驗(yàn)探究可知___________溶于水溫度沒(méi)有明顯的變化。
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【題目】指出下列溶液中的溶質(zhì)和溶劑,將其填入下表中.
溶液 | 溶質(zhì) | 溶劑 |
(1)生理鹽水 | ||
(2)澄清的石灰水 | ||
(3)碘酒 | ||
(4)稀鹽酸(氯化氫氣體的水溶液) | ||
(5)高錳酸鉀溶液 | ||
(6)酒精溶液 |
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【題目】在盛有一定量水的試管中緩慢加入濃硫酸,用玻璃棒不斷攪拌,溶解后,用手觸摸試管外壁時(shí)感覺(jué)到試管發(fā)燙,主要原因是_________________________________.
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