一个人的生命开始于 [ ] A.婴儿的出生 B.胚胎 C.受精卵 D.卵子或精子

题型:选择题

问题:

一个人的生命开始于   [ ]

A.婴儿的出生    

B.胚胎         

C.受精卵        

D.卵子或精子

考点:人的生殖过程与发育
题型:选择题

短文改错。

     假定英语课上英语老师要求同桌之间互相修改作文,请你修改你同桌的以下作文。文中共有10处语言错误,每句中最多有两处。错误涉及一个单词的增加、删除或修改。

     删除:把多余的词用斜线(\)划掉。

     增加:在缺词处加一个漏字符号(∧),并在该词下面写出该加的词。

     修改:在错的词下划一横线,在该词下面写出修改后的词。

     注意:1、每处错误及修改均仅限一词。

               2、只允许修改10处,多者(从11处起)不计分。

     I am a Senior 3 student. Recently I have made a survey among 100 boys and 100 girls. The result of the

survey is as the follows: That the boys like to do most is to become businessmen while the girls favorite

work is to be teachers. Only few boys want to do this job. It is interested that the number of boys and girls

who want to be doctors are equal. As for lawyers, more boys expect to have this job. Therefore, there are

still students are not clear about their future. In a word, they all express they would work hard at their lessons

for the College Entrance Examination. As long as they do this badly, they will realize their great dreams.

_________________________________________________________________________________________

题型:选择题

下列反应中必须加入氧化剂才能进行的是

A.KClO3→O2

B.Cu 2 Cu

C.Fe+2→Fe+3

D.CuO→CuCl2

题型:选择题

在做芳香淋巴排毒时,是先做()

A、左腿

B、右腿

C、左手

D、右手

题型:选择题

感染性心内膜炎并发症中最常见的是

A.心力衰竭

B.细菌性动脉瘤

C.动脉栓塞

D.心肌脓肿

E.急性心肌梗死

题型:选择题

公文应在( )装订。

A.左侧

B.右侧

C.上面白边区

D.下面白边区

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