问题 单项选择题 A1/A2型题

用比色法测定摩尔质量为100的某物质,测得百分吸光系数为100,其摩尔吸光系数是()。

A.100

B.500

C.1000

D.1500

E.2000

答案

参考答案:C

阅读理解
根据材料内容选择最佳答案,将其标号填入题前括号内。
    The following form shows the result of a survey of parents from five countries who were asked why children
are important to them, and they were asked to choose three main reasons from seven. For example, the three
most important reasons for Japanese parents are Item4- strengthening (加强) family (51%), Item5-developing
oneself through raising one's children (60%), and Item 7-raising responsible citizens (抚养有责任心的公民)
(45%).
Items (项目)
Japan
(%)
Korea
(%)
USA
(%)
Britain
(%)
France
(%)
1)To see oneself going on in future
35
31
32
17
59
2)To keep the family line
24
68
28
17
26
3)To receive care in old age
10
38
8
7
8
4)To strengthen family ties
51
25
50
55
66
5)To develop oneself through raising one's children
60
19
54
69
35
6)To enjoy raising children
20
19
50
71
39
7)To raise responsible citizens
45
40
46
28
15
1. Among all the countries, only             think that keeping the family line is their most important reason for
   raising children.
[ ]
A. Americans
B. Frenchmen
C. Japanese
D. Koreans
2. Which reason is thought to be the least important by the parents of most countries?
[ ]
A. Item 3
B. Item 2
C. Item 6
D. Item 7
3. Which item do the most countries think is one of their main reasons?
[ ]
A. Item1
B. Item5
C. Item4
D. Item6
4. Which two countries have the same three main reasons for raising children?
[ ]
A. Japan and Korea
B. America and Britain
C. Britain and Korea
D. Japan and America
5. In which country do most people enjoy raising children?
[ ]
A. In Japan
B. In the USA
C. In Britain
D. In France
单项选择题 A3/A4型题