【题目】下列防锈措施合理的是( )
A.经常用水冲洗自行车链条
B.在铁制暖气片上刷“银粉”
C.用“钢丝球”打磨铝锅表面
D.用过的菜刀及时用盐水清洗
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【题目】下表记录了物质X的溶液分别加入到另外三种物质的溶液中产生的现象。则物质X的化学式可能是( )。
物质 | 氢氧化钠 | 碳酸钠 | 石蕊 |
现象 | 无明显现象 | 产生气泡 | 溶液变红 |
A.Ca(OH)2 B.CuSO4 C.HCl D.KCl
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【题目】—__________?
—I’d like the beef noodles.
A. How do you like it B. What do you like
C. What kind of noodles would you like D. Do you like something
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科目:初中地理 来源: 题型:
【题目】D
Lucy is a nice girl. She is twenty-six. She opens (开) a clothes store. Its name is Lovely Clothes Store. The store is for girls, not for boys. The store has clothes in many colors. Do you want to have a look at the store?
Clothes Colors Price
T-shirts blue, green and white ¥25
Skirts red, green, yellow and black ¥45/¥65
Sweaters yellow, blue and red ¥35/¥55
Pants orange, white and green ¥54/¥84/¥104
【1】The clothes in Lovely Clothes Store are for _________.
A. fathers B. girls C. stars D. boys
【2】The T-shirt is _________ yuan each.
A. 25 B. 35 C. 54 D. 65
【3】 Serena can buy _________ skirt(s) for 130 yuan at the store.
A. one B. two C. three D. four
【4】The store has _________ in yellow and red.
A.T-shirts and sweaters B. sweaters and pants
C. sweaters and skirts D.T-shirts and pants
【5】What can we know from the passage?
A. The store sells T-shirts in three colors.
B. A girl can find red shoes in Lucy’s store.
C. Lovely Clothes Store also sells food.
D. We can buy two pairs(条) of pants for 104 yuan in Lucy’s store.
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【题目】 —__________ does Bill feel?
—He is worried.
A. What B. How C. Where D. Who
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科目:初中地理 来源: 题型:
【题目】化工生产中为了加快反应速率,常常先把反应的固体配成溶液再两两混合。
(1)在农业上,为了合理使用农药,常把不溶于水的固体或液体农药配成 _________ 或 _________ ,用来喷洒受病虫害的农作物。
(2)用X射线检查肠胃病时,医生会让病人服用“钡餐”来辅助检查,“钡餐”就是
硫酸钡 (溶液、悬浊液、乳浊液)。
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