【題目】下列說法不正確的是

A.回收一個(gè)鋁飲料罐比制造一個(gè)新飲料罐要貴

B.回收鋁飲料罐可以節(jié)約金屬資源

C.回收鋁飲料罐可以節(jié)約能源

D.回收鋁飲料罐可以減少對(duì)環(huán)境的污染

【答案】A

【解析】將廢棄鋁制品回收再利用跟制造新的鋁制品相比,既可節(jié)約大量的煤和鋁礦石,又能減少污染空氣的懸浮顆粒物.可見,回收利用廢金屬,不僅可節(jié)約金屬資源和能源,還可以減少對(duì)環(huán)境的污染.

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目:初中地理 來源: 題型:

【題目】Do you have __________ ping-pong ball?

—No. I dont like sports. I like playing __________ guitar.

A. a; / B. a; the C. the; / D. the; the

查看答案和解析>>

科目:初中地理 來源: 題型:

【題目】現(xiàn)有60 時(shí)硝酸鉀的飽和溶液,若將其溫度降到20 ,此時(shí)有關(guān)該溶液的說法不正確的是( )

A.仍為飽和溶液

B.硝酸鉀的溶解度發(fā)生了變化

C.降溫前后溶液的質(zhì)量不變

D.降溫前后溶劑的質(zhì)量不變

查看答案和解析>>

科目:初中地理 來源: 題型:

【題目】We have to __________ the questions before answering them.

A. look after B. look up C. look through D. look at

查看答案和解析>>

科目:初中地理 來源: 題型:

【題目】 __________ do you go to the dentist?

Let me see, twice a year, maybe.

A. How many B. How much

C. How often D. How soon

查看答案和解析>>

科目:初中地理 來源: 題型:

【題目】世界每年因銹蝕而損失的金屬數(shù)量巨大,防止金屬銹蝕已成為科學(xué)研究中的重大問題.下列有關(guān)金屬銹蝕與保護(hù)措施的說法不正確的是(

A.鐵銹蝕的實(shí)質(zhì)是鐵與空氣中的氧氣、水蒸氣等發(fā)生了化學(xué)反應(yīng)

B.同樣的鐵制品在海南比在蘭州更易銹蝕

C.在鐵表面刷漆可以防止鐵銹蝕

D.鋁的抗銹蝕性能比鐵強(qiáng),生活中可用鋼絲球洗刷鋁鍋

查看答案和解析>>

科目:初中地理 來源: 題型:

【題目】C

Hi, Im Tina. This is a photo of Class 18. This class has twenty-five students, twelve girls and thirteen boys. These are Amy and Bob. Amy is Bobs sister. Amy is 12 and Bob is 13. Amy likes English and math. Bob likes music. He has a CD collection. This is Bruce. He is 14. He likes sports and he has a sports collection. Jerry is a teacher. He is thirty-four years old. He likes blue, black and green. Many of his clothes are in these colors. Do you know the relationship between Jerry and Bruce? Aha! Jerry is Bruces uncle. And you can call him at 05433617625.

【1】_________ girls are in Class 18.

A. 12 B. 13 C. 24 D. 25

【2】 Bruce likes _________

A. sports B. English C. music D. white

【3】 The underlined word relationship means _________.

A. 關(guān)系 B. 性別

C. 愛好 D. 差異

【4】 _________ and Bob are in a family.

A. Jerry B. Amy C. Bruce D. Tina

【5】Jerrys _________ is 0543-3617625.

A. card number B. telephone number

C. bus number D. school card number

查看答案和解析>>

科目:初中地理 來源: 題型:

【題目】—Who is that young man __________?

—Hes Jack, my brother.

A. in blue B. on blue

C. in the blue D. on the blue

查看答案和解析>>

科目:初中地理 來源: 題型:

【題目】 Is that your sister?

Yes, __________ name is Maria.

A. hes B. his C. its D. her

查看答案和解析>>

同步練習(xí)冊(cè)答案