【单选题】【消耗次数：1】
双子叶植物茎的初生结构中央部分为（ ）。
①
表皮
②
皮层
③
髓
④
木质部
参考答案：
复制
纠错
相关题目
【单选题】
双子叶植物木质茎的次生构造由外到内依次为（ ）。
①
韧皮部、木质部、形成层、周皮
②
周皮、韧皮部、形成层、木质部
③
周皮、木质部、形成层、韧皮部
④
周皮、韧皮部、形成层、木质部、髓
【单选题】
双子叶植物木质茎的次生构造由外到内依次为（ ）。
①
韧皮部、木质部、形成层、周皮
②
周皮、韧皮部、形成层、木质部
③
周皮、木质部、形成层、韧皮部
④
周皮、韧皮部、形成层、木质部、髓
随机题目
【单选题】
A: Long time no see, Mary. B: [填空] A: OK.
①
Well, how have you been?
②
How do you do?
③
Nice to meet you.
④
Fancy meeting you here.
【单选题】
A: Hi, my name is Lin Xiaoyan. Its nice to meet you. B: Im Jack. [填空]
①
You know?
②
How are you, Lin Xiaoyan?
③
Its pleasure to meet you, Lin Xiaoyan.
④
Youre busy, arent you?
【单选题】
A: Well, its time for us to go. B: [填空].
①
Nice to meet you
②
Have a nice day
③
I wish you a pleasant journey
④
I hope you will soon feel better
【单选题】
A: I need to buy a wedding gift for Jane. B: Should we stop at the shopping center? A: [填空]. The weddings not until next week, but I wont have time later to get them anything.
①
Wont be necessary
②
Its your call
③
I suppose so
④
If you insist
【单选题】
A: Its a long journey. You look tired. [填空]? B: Yes. Could you take that suitcase, please? A: Sure.
①
Wheres your luggage
②
How can I help you
③
Do you mind my help
④
May I help you with anything
【单选题】
A: Are you ready for the test tomorrow? B: [填空] A: Come on, I am sure you will do well.
①
Why do you ask?
②
No. Im afraid not.
③
Sure, no problem.
④
What about you?
【单选题】
A: Do I have the pleasure to buy you a drink? B:[填空].
①
Its your pleasure
②
Its very kind of you
③
Youre too nice to me
④
You spend money again
【单选题】
A:Happy birthday! Heres a gift for you. B: [填空].
①
Thats good. How much is it?
②
Wow, it is great! Thank you.
③
It must be very expensive.
④
You shouldnt have bought it.
【单选题】
A: Are you following me? B: [填空]
①
Can you walk slowly, please?
②
Let me think of it.
③
Im afraid not.
④
Who knows?
【单选题】
A: This meal is on me. [填空]. B: Thanks, but isnt it my turn to treat you?
①
Its none of your business
②
Ill treat you
③
My pleasure
④
I invite you