皮皮学，免费搜题
登录
搜题
【简答题】
比较下列各组化合物的熔点高低,并说明理由。 (1)正戊烷、异戊烷和新戊烷 (2)正辛烷和2,2,3,3−四甲基丁烷
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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 eighth-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.
【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 . 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; /
相关题目：