【題目】 —May I have __________ new books?
—Sorry, there aren’t __________.
A. some; some B. any; any
C. some; any D. any; some
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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】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】D
Jack likes eggs, bananas and apples. So every day, he has two eggs, one apple, a cup of milk and some bread for breakfast. For lunch, he has bananas, some chicken and vegetables. And for dinner, he has tomatoes, French fries and ice cream.
His sister likes dessert, oranges and apples. But she often has some hamburgers, one apple and bread for her breakfast. She likes tomatoes, salad and some fish for lunch. For dinner, she likes strawberries and some chicken.
【1】 What does Jack have for breakfast?
A. Some hamburgers, one apple and bread.
B. Bananas, one egg and a cup of milk.
C. Two eggs, one apple and a cup of milk.
D. One apple, two eggs, some bread and a cup of milk.
【2】_________ likes dessert, oranges and apples.
A. Jack B. Jack’s mother
C. Jack’s father D. Jack’s sister
【3】Jack has _________ for his dinner.
A. tomatoes B. French fries and ice cream
C. bananas and some chicken D. both A and B
【4】Jack has some chicken _________, but his sister has some chicken _________.
A. for breakfast; for dinner B. for lunch; for dinner
C. for dinner; for lunch D. for dinner; for dinner
【5】Which of the following is right?
A. Jack likes dessert, but he doesn’t like apples.
B. Jack likes apples, and his sister likes them, too.
C. Jack has two eggs for breakfast, but his sister has one egg.
D. Jack has bananas for lunch, and his sister has apples for lunch.
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【題目】鐵生銹的條件是_____________并存,鐵銹的主要成分是_________,鐵銹是一種混合物,鐵生就后變得疏松多孔,因而不能阻止鐵繼續(xù)被銹蝕,破壞鐵生銹的條件就能防止鐵生銹。
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【題目】各種洗滌劑廣泛進(jìn)入人們的生活中,下列洗滌中所用洗滌劑具有乳化功能的是( )
A.用汽油除去衣服上的油污
B.用洗潔精清洗餐具上的油污
C.用水洗去盤子中的水果渣
D.用醋洗去水壺中的水垢
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