方法的返回值类型可以定义也可以不定义。( )答案:错在有GROUP BY子句的SQL语句中,SELECT语句后面只能包含两种目标列表达式,要么是聚集函数,要么是出现在GROUPBY子句中的分组字段。也就是说,SELECT Sdept,COUNT(*)FROM Stu GROUP BY Sno,是不正确的。( )
In contrast to reference, sense may be defined as the semantic relations between one word and another, or more generally between one linguistic unite and another. ( )答案:对Phrases
The active Romantic poets are also called the "Lake Poets".答案:错The publication of Lyrical Ballads marked the break with classicism and the beginning of Pre-romanticism.
第一章测试1.— Nice to meet you.— _____.( )A:Pleased to see youB:Good morningC:Nice to meet you, tooD:Happy to see you答案:C2.— Thank you very much for helping me.—