急性毒性试验一般要求观察A.3天 B.5天 C.10天 D.14天 E.28天

题型:单项选择题

问题:

急性毒性试验一般要求观察

A.3天

B.5天

C.10天

D.14天

E.28天

考点:公卫执业医师公卫执业医师40
题型:单项选择题

选出注音有误的一项(   )

A.见不(shuòxiān) 为人知(xiǎn)典忘祖(shǔ)伏(shù)

B.尔不群(zhuó)真知见(zhuó)叫(xiāo)文(fàn)

C.直栏横(jiàn)车(jiàn)纸(yuān)缩(cù)

D.一而就(cù)憔(cuì)纯(cuì)零(suì)

题型:单项选择题

根据句意和首字母或汉语提示,拼写单词。

1. Kitty has an interesting comic book. You may b______ it from her.

2. "Does your sister e______ listening to music?" "Yes, she likes it very much."

3. The boy's mother s______ two hours watching TV every day.

4. In summer, many s______ swim in that lake.

5. There are eight ______(百) students in this school.

6. There are eleven ______(选手) in a football team.

7. China is a great country ______(具有) a long history (历史).

8. My ______(最喜欢的) food is ice cream.

9. In China, people like to ______ (庆祝) the Chinese New Year every year.

10. On Oct.31st, children knock on their ______ (人们) doors.

题型:单项选择题

在Dreamweaver中,设置插入表格参数对话框时,下面哪些你可以用来设置( )

A.水平行数目

B.垂直行数目

C.表格的预设宽度

D.每个单元格以及整个表格的边框的宽度

题型:单项选择题

遇有哪些情形,海事管理机构可以根据情况采取限时航行、单航、封航等临时性限制、疏导交通的措施,并予通告?(第二十三条)

题型:单项选择题

显示引导手信号时,夜间为黄色灯光()。

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