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【单选题】
在某一光线条件下,光圈固定不变,ISO100时快门速度为1/60秒,如果ISO调为1600, 快门速度为( )
A.
1/30秒
B.
1/500秒
C.
1/1000秒
D.
1/2000秒
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【简答题】I was doing some last-minute Christmas shopping in a toy store. A nicely dressed little girl was looking through the teddy bears beside her father 38 she saw a little boy walk in and stop in front of ...
【简答题】【】在同一个页面文件中的所有脚本内都可以使用。
【单选题】听力原文:Man: I went on a canoeing course last weekend, rather against my better judgement, because although I enjoy swimming, I thought canoeing might be too difficult. And I was right. I really couldn't...
A.
I was encouraged by the teachers to continue developing my skill.
B.
I learnt something about the subject that I hadn't expected.
C.
I preferred the social life to the course content.
D.
I intend doing a similar course again.
E.
I found out something about myself.
F.
I thought the course was good value for money. Speaker 1
【单选题】She prefers to offer more mon ey for a better TV set______less for this one. [     ]
A.
rather than pay
B.
to pay
C.
not to pay
D.
to paying
【单选题】Many publications made private inquiries before presidential election, generally by means of questionnaires sent to subscribers and by telephone surveys. The principle common to all these inquiries wa...
A.
It was successful because it took all sections of the population into consideration.
B.
It was successful because the publications sent out numerous questionnaires.
C.
It was unsuccessful because it didn't take the composition of the electorate into consideration.
D.
It was unsuccessful because it put emphasis on quality instead of quantity.
【单选题】与 V带传动相比较,同步带传动的突出优点是
A.
传递功率大
B.
传动比准确
C.
安装要求不高
D.
带的制造成本低
【判断题】使用DIV+CSS技术就是把页面的结构和表现分离,即把网页的内容都制作在CSS文件中,而把所有的样式都写在外部的XHTML页面中,一个网站中的多个网页都可以调用同一个样式表文件。( )
A.
正确
B.
错误
【简答题】假设一个描述动物的网站的部分文件结构如题30图所示,其中ROOT是网站的根目录,请采取文件相对URL的方式来指定超链接的URL地址。 (1)在Kb1.htm页面中有一个“同伴”的文字链接,该文字超链接链接到Kb2.htm文件,如何在Kb1.htm的源文件中进行该超链接的HTML代码表示? (2)在P1.htm页面中有一个“猫科类”的文字链接,该文字超链接链接到intro.htm文件,如何在P1.h...
【单选题】与V带传动相比较,同步带传动的突出优点是
A.
传递功率大
B.
传动比准确
C.
传动效率高
D.
带的制造成本低
【单选题】关于麻疹血清抗体,下列哪项是不正确的
A.
接种麻疹减毒活疫苗后血清抗体持续存在
B.
随增龄下降或消失
C.
患过麻疹的母亲能将抗体经过胎盘输给胎儿
D.
8个月内婴儿血清中可存在这种抗体
E.
易感儿缺乏这种抗体
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