[填空题]假设学生选课管理数据库中有3个表；学生、课程和学生选课，其结构分别如下所示：
学生(学号C(6)，姓名C(8)，系别C(30)，省份C(10))
课程(课程号C(6)，课程名C(20)，先修课号C(6))
学生选课(学号C(6)，课程号C(6)，成绩N(4))
如果要查询每个学生及其选修课的情况，请对下面的SQL语句填空。
SELECT学生．学号，学生．姓名，学生．系别，学生．省份，
学生选课.课程号，学生选课.成绩
FROM学生选课管理!学生，学生选课管理!学生选课
WHERE学生.学号 【9】

[单选题]钢筋混凝土支柱翼缘与横腹杆结合处裂纹宽度为( )以下的可以使用。
A.0.15mm
B.0.2mm
C.0.25mm
D.0.3mm

[判断题]当事人对当场做出的行政处罚决定不服的,只能先依法申请行政复议,不可以直接提起行政诉讼。( )
A.正确
B.错误

[填空题]Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened ________As was discussed before, it was not ______ the 19th century that the newspaper became the dominant pre- electronic ______ , following in the wake of the pamphlet and the book and in the________of the periodical. It was during the same time that the communications revolution________ up, beginning with transport, the railway, and leading________ through the telegraph, the telephone, radio, and motion pictures________ the 20th-century world of the motor car and the airplane. Not everyone sees that process in________ It is important to do so. 　　It is generally recognized,________ , that the introduction of the computer in the early 20th century,________by the invention of the integrated circuit during the 1960s, radically changed the process,________its impact on the media was not immediately________As time went
A. A． concept
B． dimension
C．effect
D．perspective

[单选题]FCOM04142超速极限（字母“8”闪烁）不受限于下列哪个速度：
A.Vmo或Mmo限制
B.起落架限制
C.襟翼限制
D.CDU里限制速度

[判断题]乙醇在大理石地面上燃烧不能形成液体燃烧轮廓。
A.正确
B.错误

[单项选择]Success, it is often said, has many fathers--and one of the many fathers of computing, that most successful of industries, was Charles Babbage, a 19th-century British mathematician. Exasperated by errors in the mathematical tables that were widely used as calculation aids at the time, Babbage dreamed of building a mechanical engine that could produce flawless tables automatically. But his attempts to make such a machine in the 1920s failed, and the significance of his work was only rediscovered this century.
Next year, at last, the first set of printed tables should emerge from a calculating "difference engine" built to Babbage’s design. Babbage will have been vindicated. But the realization of his dream will also underscore the extent to which he was a man born ahead of his time.
The effort to prove that Babbage’s designs were logically and practically sound began in 1985, when a team of researchers at the Science Museum in London set out to build a difference engine in time
A. Babbage’s difference engine turned out to be a large machine.
B. Researchers did not build the printer for lack of money.
C. Babbage designed the printer to avoid possible typesetting or transcription errors.
D. Researchers found it difficult to build a printer as complicated as the calculating engin

[单选题]工作面采用注氮防灭火时，氮气浓度不低于：（）
A.0.95
B.0.98
C.0.97
D.0.9

[单项选择]侵占学校及其他教育机构的校舍、场地及其他财产的，依法承担（）。
A. 民事责任
B. 刑事责任
C. 一般责任
D. 行政责任

[多选题]辅警在工作过程中,必须增强的安全意识有×。
A.比 “常人 ”更强烈的 “危险 ”意识
B.“集中优势力量 ”意识
C.“协同配合 ”意识
D.“个人英雄主义 ”意识

[单选题]压力容器在使用过程中，由于压力、温度、介质等工况条件的影响。可能导致材质劣化。 根据《固定式压力容器安全技术监察规程》（TSG21），当对有材质劣化倾向的压力容器检验时， 必须检测的项目是（ ）。
A.强度
B.硬度
C.刚度
D.密度

[判断题]由于混合式减温器工作效率较高，因此对减温水的品质要求不高。

[单选题]已知字符"0"的ASCII码为30H,字符"9"的ASCII码前加上一个奇校验位后的数据信息为 ( ).
A.B9H
B.39H
C.89H
D.09H

[判断题]动车组以外的图定旅客列车应安装使用客车列尾装置。
A.正确
B.错误

[单项选择]免疫应答的含义一般不包括
A. 特异性体液免疫
B. 特异性细胞免疫
C. 非特异性免疫
D. 超敏反应
E. 免疫耐受

[单选题]123
A.A
B.B
C.C
D.D
E.E

[单项选择]
· Read the annual report about a company.
· Choose the best word to fill in each gap, from A, B or C.
· For each question (29-40), mark one letter (A, B or C) on your Answer Sheet.