【題目】一杯20℃的NaNO3溶液，能證明它是飽和溶液的是（ ）
A．蒸發10g水有NaNO3晶體析出
B．降低10℃時，有NaNO3晶體析出
C．加入10gNANO3晶體，仍有NaNO3晶體未溶解
D．在該溫度下，加入少許NANO3晶體，晶體質量不減少
科目：初中地理 來源： 題型：
【題目】“搖搖冰”是一種即用即冷的飲料。吸食時將飲料罐隔離層中的化學物質和水混
合后搖動即會制冷．該化學物質是 （ ）
A．氯化鈉 B．固體硝酸銨 C．固體氫氧化鈉 D．生石灰
查看答案和解析>>
科目：初中地理 來源： 題型：
【題目】四、情景交際(有兩項多余)
A: Where did you go on vacation, Peter？
B： 【1】
A: Oh, Qingdao is a beautiful city. 【2】
B：Yes, I did. I went with my brother.
A: 【3】
B：We visited Zhongshan Park, swam in the sea and tasted some
seafood on the beach.
A: Sounds great！【4】
B: We stayed there for three days. 【5】 Where did you go, Julia？
A：Well, I just stayed at home and helped my parents clean the house.
A. What about you？
B. How long did you stay there?
C.I went to Qingdao during the vacation.
D. What did you do in Qingdao？
E.Is it your first time to Qingdao?
F. Did you go with anyone？
G. How are you？
查看答案和解析>>
科目：初中地理 來源： 題型：
【題目】佛山市三水健力寶廠生產的“魔水”馳名中外．“魔水”內溶有一定量的二氧化碳氣體．打開瓶塞，“魔水”會自動噴出；喝了“魔水”后常會打嗝，說明氣體在水中的溶解度與壓強、溫度有關．以下關于氣體溶解度的說法正確的是（ ）
A．壓強增大，氣體溶解度不變
B．壓強減小，氣體溶解度增大
C．溫度升高，氣體溶解度減小
D．溫度降低，氣體溶解度減小
查看答案和解析>>
科目：初中地理 來源： 題型：
【題目】I have _________ uncle. He likes _________very much. He ______ soccer, baseball，volleyball, basketball, and so on. He plays baseball and basketball very_____. He likes to ____ the sports games ______TV. He plays sports_____.He often says, “Let’s_____…”He_____two clubs: a basketball club and a baseball club. He __ a sports collection. He has 12 tennis rackets, 10 baseballs, 3 volleyballs, 2 basketballs and one soccer ball.
【1】A. a B. an C. the D. is
【2】A. vegetables B. books C. music D. sports
【3】A. loves B. have C. joins D. play
【4】A. much B. more C. well D. good
【5】A. play B. plays C. watch D. watches
【6】A. in B. on C. to D. of
【7】A. everyday B. some day C. every day D. someday
【8】A. plays B. play C. playing D. to play
【9】A. joins B. plays C. asks D. takes
【10】A. have B. has C. doesn't have D. don’t have
查看答案和解析>>
科目：初中地理 來源： 題型：
【題目】在某溫度時有一杯某物質的飽和溶液，在溫度不變的條件下蒸發一部分溶劑后，
有晶體析出，則該溶液 （ ）
A、仍為飽和溶液
B、溶液中溶質的質量不變
C、該溫度時，該溶質溶解度變小
D、變成不飽和溶液
查看答案和解析>>
湖北省互聯網違法和不良信息舉報平臺 | 網上有害信息舉報專區 | 電信詐騙舉報專區 | 涉歷史虛無主義有害信息舉報專區 | 涉企侵權舉報專區
違法和不良信息舉報電話：027-86699610 舉報郵箱：58377363@163.com
