关于应用软件的描述中,正确的是( )。A.Excel是数据库软件 B.PowerP

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问题:

关于应用软件的描述中,正确的是( )。

A.Excel是数据库软件

B.PowerPoint是图像软件

C.Outlook是浏览器软件

D.Word是字处理软件

考点:计算机等级考试网络技术三级网络技术笔试
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用冷原子吸收分光光度法测定水中总汞时,水样用溴酸钾-溴化钾法消解,于100ml容量瓶中,依次加入水样、浓硫酸、溴化剂后,加塞、摇匀。在20度以上室温放置5min以上,样品中应有橙黄色溴释出,否则可以适当补加溴化剂,若仍无溴释出,则该方法不适用,应改用()消解法。

A.高锰酸钾-过硫酸钾

B.高温煮沸

C.近沸保温

题型:单项选择题

鼓子秧歌中的主要角色有“棒”、“花”以及什么?()

A.伞

B.鼓架子

C.挂鼓子

D.小嫚

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喷头操作操作时要先开水,后开风,及时调整水灰比,尽量使喷头与喷射面保持垂直,并与喷射面保持1米左右距离。

题型:单项选择题

Teachers need to be aware of the emotional, intellectual, and physical changes that younga-duhs experience. And they also need to give serious (91) to how they can best (92) such changes. Growing bodies need movement and (93) , but not just in ways that emphasize competition. (94) they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (95) that comes from achieving success and knowing that their accomplishments are (96) by others. However, the typical teenage lifestyle is already filled with so much competition that it would be (97) to plan activities in which there are more winners than losers, (98) , publishing newsletters with many student-written book reviews, (99) student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide (100) opportunities for leadership, as well as for practice in successful (101) dynamics. Making friends is extremely important to teenagers, and many shy students need the (102) of some kind of organization with a supportive adult (103) visible in the background.
In these activities, it is important to remember that young teens have (104) attention spans. A variety of activities should be organized (105) participants can remain active as long as they want and then go on to (106) else without feeling guilty and without letting the other participants (107) This does not mean that adults must accept irresponsibility. (108) , they can help students acquire a sense of commitment by (109) for roles that are within their (110) and their attention spans and by having clearly stated rules.

A.improper

B.risky

C.fair

D.wise

题型:单项选择题

关于中期妊娠检查与体征的表述,错误的是().

A.子宫增大与孕月相符

B.从孕早期至孕中期胎动逐渐增多

C.孕妇自孕18~20周开始自觉有胎动

D.孕18~20周后听诊可听到胎儿心音

E.孕20周以后可经腹壁触及宫内胎体

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