统计从业资格考试单科成绩合格的人员，其合格成绩在（）内有效，逾期成绩自行作废。
A.2年
B.3年
C.1年
D.5年
参考答案：A
阅读理解。
Here's the content (目录) of a book.
1. If you're interested in music, you can read "_____".
A. National sports
B. Sad movies
C. The planets
D. Weather service
2. You can learn something about weather in _____.
A. Unit 1
B. Unit 2
C. Unit 3
D. Unit 4
3. Words about _____ are in Unit 5.
A. music stars
B. weather conditions
C. sports tools
D. space news
4. In all the units, you can learn the skill of _____.
A. predicting by title
B. understanding attitude
C. understanding main ideas
D. guessing meaning of new words
代表车床的英文单词是（）。
A.Boring machine
B.Shaping machine
C.Planing machine
D.Turning machine
