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【多选题】
Adobe Illustrator和Photoshop之间可互相交流,但两个软件有本质的不同,下列哪种叙述是正确的?A.
Illustrator是以处理矢量图形为主的图形绘制软件，而Photoshop是以处理像素图为主的图像处理软件
B.
Illustrator可打开PDF格式的文件，而Photoshop不可以
C.
Illustrator和 Photoshop 不是同一个公司的产品
D.
Photoshop存储的文件要比Illustrator大很多
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举一反三
【单选题】It will cost $6,000 to acquire an ice cream cart. Cart sales are expected to be $3,500 a year for three years. After the three years, the cart is expected to be worthless as the expected life of the r...
A.
1.51 years
B.
1.61 years
C.
1.71 years
D.
1.81 years
【简答题】湿度,养护箱温度、湿度,养护水有什么要求?
【简答题】水泥检测时，对检测室温度、湿度，养护箱温度、湿度，养护水有什么要求？
【多选题】卵石、碎石碱集料反应时环境条件有哪些要求（）
A.
材料与成型室的温度应保持在20℃～27.5℃
B.
拌合水及养护室的温度应在（20±2）℃
C.
成型室、测长室的相对湿度应不小于80%
D.
恒温养护箱或养护室温度保持在（40±2）℃，相对湿度95%以上
【单选题】Assume that a firm is considering building a factory that will cost $5 million. It believes that it can get a profit from this factory of $600,000 per year for many years. The interest rate at which t...
A.
not build because the rate of return on the factory is only 6 percent.
B.
not build because the rate of return on the factory is only 12 percent.
C.
build because the rate of return on the factory is 30 percent.
D.
build because the rate of return on the factory is 35 percent.
【单选题】It will cost $6,000 to acquire an ice cream cart. Cart sales are expected to be $3,600 a year for three years. After the three years, the cart is expected to be worthless as the expected life of the r...
A.
1.48 years
B.
1.67 years
C.
1.82 years
D.
1.95 years
【单选题】以下关于DNS服务器的叙述中，错误的是______。
A.
用户只能使用本网段内DNS服务器进行域名解析
B.
主域名服务器负责维护这个区域的所有域名信息
C.
辅助域名服务器作为主域名服务器的备份服务器提供域名解析服务
D.
转发域名服务器负责非本地域名的查洵
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