教育保险具有的功能包括( )。 Ⅰ．储蓄 Ⅱ．分红 Ⅲ．_爱下问搜题

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问题单项选择题

教育保险具有的功能包括( )。 Ⅰ．储蓄 Ⅱ．分红 Ⅲ．保障 Ⅳ．投资

A．Ⅰ、Ⅱ、Ⅲ

B．Ⅰ、Ⅱ、Ⅲ

C．Ⅱ、Ⅲ、Ⅳ

D．Ⅰ、Ⅱ、Ⅲ、Ⅳ

答案

参考答案：D

选择题

已知某DNA分子中，G与C之和占全部碱基总数的35.8%，其中一条链上的T与C分别该链碱基总数的32.9%和17.1%，则在它的互补链中，T和C分别占该链碱基总数的 [ ]

A．32.9% 和17.1%

B．31.3% 和18.7%

C．18.7% 和31.3%

D．17.1% 和32.9%

补全对话，情景问答

根据所给句子. 选择最佳的应答语。每个选项只能用一次。

(    )1. Do you think it important to exercise?
(    )2. What do you do on Sunday?
(     )3. Is she too young to make her own decisions?
(     )4. Are you going to leave school at the end of the term?
(    )5. What does your brother do in the evening?

A.  Yes, she is.
B.  I guess so.
C.  Watching TV.
D.  Yes, this is my last year at school.
E.  No, this is my last year at school.
F.  He chats on the Internet.