搜题请搜索小程序“爱下问搜题”
问题 单项选择题

根据我国船员注册管理办法，已注册的船员如果（）的，海事管理机构不可以因此就依照有关规定注销其船员注册。

A．死亡

B．重病或受伤

C．有医学证明其身体状况不再适宜船上工作

D．年龄超过60周岁

答案

参考答案：B

改错题

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误， 每句最多有两处错误，每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意： 1.没处错误及修改均仅限一词。

2. 只允许修改10处，多者（从第十一处起）不计分。

One day, did not feeling well, Mr, Smith went to the hospital to have him examined．When he was given the test paper, he greatly shocked．“Am I dying?” He immediately feels very sick． Filled with sadness, he went back home, taking a lot of pills and even wrote his will．“Maybe a doctor made a mistake”, Mr． Smith thought and went to the hospital to have other examination．To his great joy, the doctor really made a mistake but he didn’t have cancer in all! Again, the whole world seemed beautiful．Mr.Smith went out for his most favourite sport happily .    
查看答案
单项选择题

茚三酮能使氨基酸发生哪种反应（）

A.氧化反应

B.脱羧作用

C.脱氨作用

D.氧化脱羧

E.氧化脱羧又脱氨
查看答案