若f(x)=2x2+1,且x∈{-1,0,1},则f(x)的值域是( ) A.{

题型:选择题

问题:

若f(x)=2x2+1,且x∈{-1,0,1},则f(x)的值域是(  )

A.{-1,0,1}

B.(1,3)

C.[1,3]

D.{1,3}

考点:函数的定义域、值域
题型:选择题

单词拼写

请根据汉语和首字母提示完成句子.

1. The m______ (神秘的) disappearance of my brother upset everyone.

2. He is still u______ (无意识的) of having done wrong.

3. Teaching is a kind of job i______ (包括,牵涉) in much work.

4. May I introduce one of my c______ (同事) at the bank.

5. Language is always e______ (进化,演变).

6. He p     (陈述) his report to his audience at the meeting clearly.

7. When I arrived, I found dozens of people were q       (排队) up to get tickets.

8. This travel line offers one of the most i       (给人印象深的) routes.

9. Last week there happened a serious car crash in Gansu Province, v       (受害者) including

    nineteen kids aged 4 - 6 and two adults.

10. The father f______ (禁止) his child to play computer games last Saturday.

题型:选择题

RNA干扰机制的步骤()

A.dsRNA的形成

B.siRNA的形成

C.DNA逆转录为RNA

D.RNAi的形成

E.DNA的复性

题型:选择题

行政诉讼制度是人民法院通过行使( ),对行政机关(包括公安机关)具体行政行为的合法性进行审查并作出裁决,以促使行政机关依法行政,保护公民、法人和其他组织合法权益的法律制度。

A.民事审判权

B.行政审判权

C.刑事审判权

D.法律监督权

题型:选择题

等距量表

题型:选择题

确定中标人后,招标人与投标人应以( )作为施工合同价。

A.标底价

B.投标价

C.评标价

D.标底修正价

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