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下列關(guān)于肽鍵的描述，正確的是

A．在縮合過程中所形成的肽鍵數(shù)一定等于所失去的水分子數(shù)

B．肽鍵可以表示為CO—NH或NH—CO

C．幾條肽鏈在形成蛋白質(zhì)的過程中也通過肽鍵連接起來

D．在鏈狀肽中一個(gè)十肽分子比一個(gè)八肽分子多一個(gè)肽鍵

下列關(guān)于肽鍵的描述，正確的是

A．在縮合過程中所形成的肽鍵數(shù)一定等于所失去的水分子數(shù)

B．肽鍵可以表示為CO—NH或NH—CO

C．幾條肽鏈在形成蛋白質(zhì)的過程中也通過肽鍵連接起來

D．在鏈狀肽中一個(gè)十肽分子比一個(gè)八肽分子多一個(gè)肽鍵

下列關(guān)于肽鍵的描述，正確的是

A．在縮合過程中所形成的肽鍵數(shù)一定等于所失去的水分子數(shù)

B．肽鍵可以表示為CO—NH或NH—CO

C．幾條肽鏈在形成蛋白質(zhì)的過程中也通過肽鍵連接起來

D．在鏈狀肽中一個(gè)十肽分子比一個(gè)八肽分子多一個(gè)肽鍵

根據(jù)語境，用恰當(dāng)?shù)恼Z言完成對(duì)話。
A: Hello,Kangkang. How beautiful your new bike is!
B:【小題1】____________________________________________
A: Where is it made ?
B:It is made in Shanghai.
A:I also want to buy one.【小題2】_________________________________________
B:In Huangshang Supermarket. And there are many different colors.
A:【小題3】____________________________________________________________-
A:I like black best.【小題4】_____________________________________________
B:About 160 yuan.
A:The price is OK.Well,would you like to go to the shop with me on National Day?
B:【小題5】_________________________.I will be free that day.

根據(jù)語境，用恰當(dāng)?shù)恼Z言完成對(duì)話。
A: Hello,Kangkang. How beautiful your new bike is!
B:【小題1】____________________________________________
A: Where is it made ?
B:It is made in Shanghai.
A:I also want to buy one.【小題2】_________________________________________
B:In Huangshang Supermarket. And there are many different colors.
A:【小題3】____________________________________________________________-
A:I like black best.【小題4】_____________________________________________
B:About 160 yuan.
A:The price is OK.Well,would you like to go to the shop with me on National Day?
B:【小題5】_________________________.I will be free that day.

根據(jù)語境，用恰當(dāng)?shù)恼Z言完成對(duì)話。
A: Hello,Kangkang. How beautiful your new bike is!
B:【小題1】____________________________________________
A: Where is it made ?
B:It is made in Shanghai.
A:I also want to buy one.【小題2】_________________________________________
B:In Huangshang Supermarket. And there are many different colors.
A:【小題3】____________________________________________________________-
A:I like black best.【小題4】_____________________________________________
B:About 160 yuan.
A:The price is OK.Well,would you like to go to the shop with me on National Day?
B:【小題5】_________________________.I will be free that day.

健康一直是人們關(guān)注的問題，為此，國家積極倡導(dǎo)全民健身運(yùn)動(dòng)，關(guān)注健康，關(guān)愛生命.黃岡市各中小學(xué)積極開展“陽光體育運(yùn)動(dòng)”（Sunny Sports），口號(hào)是“每天鍛煉一小時(shí)，健康工作五十年，幸福生活一輩子”。你是“黃岡市向往中學(xué)”的一名學(xué)生，請(qǐng)根據(jù)下面的提示寫一篇不少于80個(gè)單詞短文談?wù)勀愕目捶ê徒ㄗh。（首句已給出）
提示：（1）保持健康的重要意義；（2）簡(jiǎn)要描述向往中學(xué)陽光體育運(yùn)動(dòng)；
（3）保持健康的建議和方法（鍛煉、飲食等）。
Health is the most important of all.______________________________________________
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

—What’s this?    —It’s       

A．a(chǎn) apple

B．a(chǎn)pples

C．a(chǎn)n apple

D．a(chǎn)n apples

This is my son.          is a student.

A．He

B．She

C．Him

D．Her.

下面的四組字母中不含有相同的元音音素的是（   ）

A．b, t, c

B．s, l, n

C．q, u, w

D．a(chǎn), k, f