下列关于肽键的描述，正确的是

A．在缩合过程中所形成的肽键数一定等于所失去的水分子数

B．肽键可以表示为CO—NH或NH—CO

C．几条肽链在形成蛋白质的过程中也通过肽键连接起来

D．在链状肽中一个十肽分子比一个八肽分子多一个肽键

下列关于肽键的描述，正确的是

A．在缩合过程中所形成的肽键数一定等于所失去的水分子数

B．肽键可以表示为CO—NH或NH—CO

C．几条肽链在形成蛋白质的过程中也通过肽键连接起来

D．在链状肽中一个十肽分子比一个八肽分子多一个肽键

下列关于肽键的描述，正确的是

A．在缩合过程中所形成的肽键数一定等于所失去的水分子数

B．肽键可以表示为CO—NH或NH—CO

C．几条肽链在形成蛋白质的过程中也通过肽键连接起来

D．在链状肽中一个十肽分子比一个八肽分子多一个肽键

根据语境，用恰当的语言完成对话。
A: Hello,Kangkang. How beautiful your new bike is!
B:【小题1】____________________________________________
A: Where is it made ?
B:It is made in Shanghai.
A:I also want to buy one.【小题2】_________________________________________
B:In Huangshang Supermarket. And there are many different colors.
A:【小题3】____________________________________________________________-
A:I like black best.【小题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:【小题5】_________________________.I will be free that day.

根据语境，用恰当的语言完成对话。
A: Hello,Kangkang. How beautiful your new bike is!
B:【小题1】____________________________________________
A: Where is it made ?
B:It is made in Shanghai.
A:I also want to buy one.【小题2】_________________________________________
B:In Huangshang Supermarket. And there are many different colors.
A:【小题3】____________________________________________________________-
A:I like black best.【小题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:【小题5】_________________________.I will be free that day.

根据语境，用恰当的语言完成对话。
A: Hello,Kangkang. How beautiful your new bike is!
B:【小题1】____________________________________________
A: Where is it made ?
B:It is made in Shanghai.
A:I also want to buy one.【小题2】_________________________________________
B:In Huangshang Supermarket. And there are many different colors.
A:【小题3】____________________________________________________________-
A:I like black best.【小题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:【小题5】_________________________.I will be free that day.

健康一直是人们关注的问题，为此，国家积极倡导全民健身运动，关注健康，关爱生命.黄冈市各中小学积极开展“阳光体育运动”（Sunny Sports），口号是“每天锻炼一小时，健康工作五十年，幸福生活一辈子”。你是“黄冈市向往中学”的一名学生，请根据下面的提示写一篇不少于80个单词短文谈谈你的看法和建议。（首句已给出）
提示：（1）保持健康的重要意义；（2）简要描述向往中学阳光体育运动；
（3）保持健康的建议和方法（锻炼、饮食等）。
Health is the most important of all.______________________________________________
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

—What’s this?    —It’s       

A．a apple

B．apples

C．an apple

D．an apples

This is my son.          is a student.

A．He

B．She

C．Him

D．Her.

下面的四组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, k, f