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问题 单项选择题

以下命令序列中的最后一条命令显示的是______。
USE 学生

AVERAGE 成绩 TO AQCJ FOR 学号="9921102"
INDEX ON 学号TO XHD
TOTAL ON 学号 TO TTT FIELDS 成绩
USE TTT
AQCJ，RECCOUNT()A．88
4
B．54
4
C．71 3
D．71 3

答案

参考答案：C

阅读理解
Sunny Language School
We are a language school for children of 12—18. We want an assistant in the library, an English teacher, a gate- keeper, and a sports coach.
Job
Age
Language
Skill（能力）
Other term（其他条件）
lab assistant
20—35
Chinese, English
enough experience (经验, 经历)for the job
careful（细心）
teacher
20—45
English, French,
Japanese
have the TQC(教师资格)
responsible（负责）
sports coach
20—40
Chinese, English
major（专业）in P.E.
healthy and strong（强壮）
gate-keeper

Chinese
have a good memory（记忆力）
healthy
小题1:Who can't go to Sunny Language School?
A．A 13 - year - old child
B．A 17 - year - old child
C．A 15 - year -old child
D．A 20 - year -old child
小题2:Who is not wanted in the ad?
A．A waiterB．A teacher
C．A sports coachD．A gate - keeper
小题3:Who doesn’t need to speak English?
A．A teacher B．A lab assistant
C．A sports coach D．A gate- keeper
小题4:The sports coach must(必须)______.
A．major in P.E.B．know two languages
C．be healthy and strongD．All above
小题5:Who needs speak three languages?
A．A lab assistantB．A teacher
C．A sports coachD．A gate – keeper
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单项选择题

用焊料焊接对焊件的接触面形式和缝隙的大小叙述错误的是

A．要求焊件成面接触，而不是点接触
B．要求焊件成点接触，而不是面接触
C．相接的面清洁而有一定的粗糙度
D．缝隙小而不过紧
E．缝隙一般以0.1～0.15mm为宜
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