【題目】防毒面具濾毒罐內(nèi)盛放的物質(zhì)是( )。
A.石墨 B.活性炭
C.焦炭 D.生石灰
科目:初中地理 來源: 題型:
【題目】 This is the bike __________ my mother bought yesterday.
A. that B. who C. whom D. what
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【題目】用符合題目要求的序號填空:
①氧氣;②空氣;③二氧化碳;④二氧化硫;⑤五氧化二磷;⑥四氧化三鐵。
(1)通常狀況下無色、無味的氣體是________;
(2)有刺激性氣味并且污染空氣的氣體是________;
(3)屬于黑色固體的是________;
(4)支持燃燒的氣體是________;
(5)屬于白色固體的是________。
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【題目】 —I’m very __________ today because I have too much homework to do.
—Really? That sounds boring.
A. relaxing B. busy C. free D. cool
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【題目】實驗測得某物質(zhì)中只含有碳元素,則這種物質(zhì)( )。
A.一定是金剛石或石墨中的一種
B.一定是木炭或活性炭中的一種
C.一定是碳元素的一種單質(zhì)
D.可能是一種碳單質(zhì),也可能是幾種碳單質(zhì)組成的混合物
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【題目】下列關(guān)于溶液的說法正確的是( )。
A.溶液一定是無色、透明的混合物
B.溶液加水稀釋前后,溶質(zhì)的質(zhì)量一定不變
C.溶劑量不變時,加入的溶質(zhì)越多,溶液質(zhì)量一定越大
D.物質(zhì)溶于水形成溶液時,溶液溫度一定不變
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【題目】寫出下列溶液中溶質(zhì)的化學(xué)式。
溶液 | 溶質(zhì) |
可用制取氫氣的稀硫酸溶液 | |
用于醫(yī)療消毒的過氧化氫溶液(俗稱雙氧水) | |
醫(yī)療消毒用的高錳酸鉀溶液(俗稱紫藥水) | |
醫(yī)療用的0.9%的氯化鈉注射液(生理鹽水) | |
澄清的石灰水 |
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【題目】B
Winter Sale!
Winter is coming. So we are having a big and endofautumn sale. Look at the prices!
A blouse:$5
A coat:$20
A silk(絲綢) skirt:$28
A pair of trainers:$30
A pair of jeans:$30
Will you come to Reborn Fashion Shop on the 2nd floor of New Century Shopping Mall between Friday and Sunday?
Cash Back!
Spend twenty dollars in our shop, and we will give you five dollars back. Spend 40 dollars, and you will get 10 dollars back.
Remember:only at weekends
You are welcome to Happy Times Doll Shop on the first floor of New Century Shopping Mall.
Closing Down Sale!
Come to our shop next Monday. There is a discount(打折) on every kind of chocolate. And we will give you a big box of sweets for free(免費的) if you spend more than 20 dollars in our shop. So come to Sweetheart Chocolate Shop on the first floor of New Century Shopping Mall.
【1】 How many shops are there in this advertisement(廣告)?
A. Six. B. Four. C. Three. D. Two.
【2】 What is the price of a silk skirt in Reborn Fashion Shop?
A. $ 5. B. $ 20. C. $ 28. D. $ 30.
【3】If(如果) you spend 20 dollars in Happy Times Doll Shop, how much will you get back?
A. 5 dollars. B. 15 dollars.
C. 20 dollars. D. 40 dollars.
【4】If you want to buy clothes at a lower price, where should you go?
A. Happy Times Doll Shop.
B. Reborn Fashion Shop.
C. Sweetheart Chocolate Shop.
D. The first floor of New Century Shopping Mall.
【5】What does the underlined word mean in Chinese?
A. 商品 B. 發(fā)票 C. 贈品 D. 現(xiàn)金
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