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【简答题】
有甲乙两个不同浓度同一有色物质溶液, 在相同条件下测得吸光度是甲为 0.1, 0.2, 甲乙的浓度比为( ) A. 2:1 B. 1:2 C. 1:1 D. 4:1
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举一反三
【简答题】用描述法表示平面内不在第一与第三象限的点的集合为（ ）。
【单选题】Which could best be substituted for the word 'THIS' in the last sentence of the second paragraph?
A.
The search of Japan's Tokugawa shoguns for solvency.
B.
The unfairness of the tax structure in eighteenth-century Japan.
C.
The difficulty experienced by both individual samurai and the shogun himself in extricating themselves from debt.
D.
The difficulty of increasing government income by other means.
【单选题】两台 MSR 路由器通过广域网连接并通过 RIPv2 动态完成了远端路由学习,此时路由表已经达到稳定状态,那么此刻起在 45 秒之内,两台路由器广域网之间一定会有如下哪些报文传递?
A.
RIP Request message
B.
RIP Response message
C.
RIP Hello time message
D.
RIP Update message
【简答题】Kincaid looked at his watch: eight-seen. The truck started on the second try, and he backed out, shifted gears, and moved slowly down the alley under hazy sun. Through the streets of Bellingham h...
【单选题】Let’s have a ________ at that second game. I’ll ________ for you.
A.
look; see
B.
read; look
C.
watch; read
D.
look; read
【简答题】绝对黑体温度升高一倍时,其辐射能力最大值所对应的波长就变为原来的 。
【单选题】The case ______ a lot of things, ______ a second-hand watch.
A.
included; contained
B.
included; containing
C.
contained; included
D.
contained; including
【单选题】The viewers will have _____ second chance to watch Voice of China on _____ Channel 4 tonight.
A.
a; the
B.
the; the
C.
the; /
D.
a; /
【简答题】用描述法表示平面内不在第一与第三象限的点的集合为______．
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