Which of the following is tree of the Glomar Challenger？
A. It is a type of submarine.
B. It is an ongoing project.
C. It has gone on over 100 voyages.
D. It made its first DSDP voyage in 1968.
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It can be inferred that the author thinks engineering curricula are______.
A. strengthened when they include courses in design
B. strong because nonverbal thinking is still emphasized by most of the course
C. strong despite the errors that graduates of such curricula have made in the development of automatic control systems
D. strong despite the absence of nonscientific modes of thinking
Which of the following statements is NOT tree？
A. Body temperature may serve as an indication of a worker's performance.
B. The selection of a number of permanent night shift workers has proved to be the best solution to problems of the round-the-clock working system.
C. Taking body temperature at regular intervals can show how a person adapts to the changes of routine.
Disturbed sleep occurs less frequently among those on permanent night or day shifts.
有关《城市绿化条例》规定的说法中，不正确的是()。
A. 任何单位和个人都不得擅自改变城市绿化规划用地性质
B. 任何单位和个人都不得擅自占用城市绿化用地
C. 因建设或者其他特殊需要临时占用城市绿化用地，须经城市人民政府城市绿化行政主管部门同意，并按照有关规定办理临时用地手续
D. 砍伐城市树木，必须经县级以上人民政府城市绿化行政主管部门批准
高压和中压A燃气管道，应采用()。
A. 钢管
B. 机械接口铸铁管
C. 聚乙烯管
D. 塑胶管
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