题目内容

以下操作的数据库是xscj查询xs_kc表中选修了206号课程且成绩在80分及以上的学号。补全语句。select 学号 fromxs_kc where='206' and 成绩;

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以下操作的数据库是xscj查询xs_kc表中学号是081104或选修了102课程的记录。补全语句。select * fromxs_kc 学号=and 课程号='102'

…A: I know. We 1.________ in Chicago. You 2. ________a waitress in a restaurant near the Art Institute.B: I’ve 3._______been to Chicago.A: Have you ever 4._________a taxi in Egypt?B: No.A: Oh, you 5.________ the pilot on a small airplane in China. You 6. _______me over the Great Wall.B: No.A: Have you ever 7.________ snorkeling in Australia?B: No.…

Choose the right roots or affixes to fill in the blanks.

喉癌最常见的病理类型是()

A. 未分化癌
B. 鳞状细胞癌
C. 腺癌
D. 淋巴肉瘤

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