【简答题】现有学生管理数据库,包含三个表,其结构如下,其中加下划线的字段或字段组合为主键。 学生表( 学号 ,姓名,性别,出生日期,班级) 课程表( 课程号 ,课程名,学分,教师号) 选课表( 学号,课程号 ,成绩) 下面语句的功能是查询选了3-105号课的学生的学号、姓名和成绩,结果按成绩降序排。请将该语句补充完整。 select 学生表. (1) ,姓名, 成绩 from 学生表, (2) wher...
【简答题】Part 4 News News item 2 Listen to the news item and decide whether the following sentences are true or false. Write T or F on the space provided. Then give a brief summary of the news item.(1-7) Liste...
【简答题】Part 4 News News item 2 Listen to the news item and decide whether the following statements are true or false. Write T or F in the space provided. Then give a brief summary of the news item. (1-6) Lis...
【判断题】News Item 2 Birthright Citizenship Listen to the news item and decide whether the following statements are true (T) or false(F). Then give a brief summary about the news item. 1. About 13 countries a...
【判断题】Listen to the news item again and decide whether the following statements are true (T) or false (F). 1. The summit of the African Union lasts for two days.
【判断题】经济业务的发生可能导致资产要素不变,只引起负债和所有者权益一增一减的情况。
【判断题】Section two Part 3 News item 3 Listen to the news item and decide whether the following statements are true or false. Write T or F in the space provided. Discuss with your classmates why you think the...
【判断题】Section two Part 3 News item 3 B: listen to the news item again and decide whether the following statements are true or false. Write T or F in the space provided. Discuss with your classmates why you ...
【简答题】News item 4 Listen to the news report and choose the best answer to each question you hear. 1. A) The SARS virus can travel through the air. B) How the use of a toilet can spread the SARS virus. C) SA...
【单选题】衡山 有神庙建筑群( )、女道士魏华存修道成仙的( ),佛寺丛林( )等。