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问题 单项选择题

裂腹畸形的正确描述是（）

①胎儿真性腹壁缺损，从脐部裂开，内脏通过裂孔脱出

②脱出内容物既无疝囊，又无皮肤覆盖

③脱出物外包裹一透明膜

④胎儿横膈有缺损

A.①

B.①②

C.①②③

D.①②③④

E.①③④

答案

参考答案：C

问答题

绿源公司的合法注册资本为多少四人各自应当履行哪些手续
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改错题

短文改错。

     Skin-diving is a new sport today .This sport take(1) you into a wonderful new world .It is likes (2) a

 visit to the moon .When are under water ，it is easy for you climb (3) big rocks，because you are no

  longer heavy . Here, under water , everything are (4 ) blue and green .During the day , there is enough

 lights (5) for to see things in the water .When fish swim nearby, you can catch them by (6) your hands .

 When you have tanks of air on your back, you can stay in deeply (7) water for a long time . So (8)  you

  must be careful when you dive deep water.
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