题目内容

多表查询需要设定表间的联接条件。

A. 对
B. 错

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连接查询中，使用ON指定两个表的连接字段。

A. 对
B. 错

lesson21 900句听力填空-1（一空一词，默认所有字母都小写）We have encountered _ __ _.Request immediate descent.[音频]

lesson21 900句听力填空-2（一空一词，默认所有字母都小写）We were struck by hail. Our _is severely damaged. Request ______.[音频]

lesson 21 900句听力填空-3（一空一词，默认所有字母都小写）We have just encountered a ________. Some of our instruments have _indications. Request _to the ___suitable airport.[音频]