安全第一是不能动摇的试用新药的道德原则。()

未分类题According to the passage the lack of qualified workersA．makes a cooling of the economy.B．increases the costs of high technology companies.C．emphasizes the importance of unfilled jobs.D．hinders the development of U. S. economy.

判断题QBASIC程序中，行号的大小将决定程序执行的顺序。()

未分类题The best title of this passage would beA．Bribery Is Inevitable Nowadays.B．Business Ethics Lectures Are Necessary.C．Bribery and Securities and Exchange Commission.D．How to Avoid Business Bribery.

判断题在程序设计中，所谓“实现算法”即是指写出源程序。()

未分类题According to the passage, 'behind bars'(Lines 12-13, Paragraph 1)probably meansA．in comfort.B．in prison.C．under control.D．being away.