Where must the draft marks be placed on a small passenger vessel? （）

查看表MARKS结构，哪个SQL语句能执行成功（） A: SELEC B: student_name，subject1.FRO C: marks.WHERE-subject1＞AVG（subject1） D: SELEC E: student_name，SUM（subject1）FRO F: marks.WHERE-student_name-LIKE’R%’ G: SELEC H: SUM（subject1+subject2+subject3）FRO I: marks.WHERE-student_name-ISNULL J: SELEC K: SUM（DISTINC L: NVL（subject1，0）），MAX（subject1）FRO M: mark.sWHERE-subject1＞subject2

5.There were dirty marks on the trousers ________ she had wiped her hands. A: where B: which C: when D: that

假如有一张学生成绩表stu_score,包含name(姓名),subject(科目),score（分数）三个字段，以下哪个HiveQL可以查询出哪些学生的数学成绩低于平均分： A: A：select * from stu_score where subject='math' and score B: B：select * from stu_score group by subject having score C: C：select * from users where subject='math' and score

Where he lives is not a secret to us all. A: Subject B: Object C: Attributive D: Adverbial

Conventionally, outer packing marks mainly include transport marks, directive marks and Conventionally, outer packing marks mainly include transport marks, directive marks and marks.

To examine 1 thing thoroughly, and then start the other. A: alternating (point-by-point) B: block (subject -by subject)

Conventionally, outer packing marks mainly include transport marks, directive marks and ______ marks.

What are the three principal types of marks? A: Shipping marks, additional marks and warning marks. B: Shipping marks, indicative marks and warning marks. C: Main marks, code of the consignee and the destination port. D: The country of origin, the weight and the measurement of the goods.

—_______ do you like music?—Because my favorite subject is music. A: What B: When C: Why D: Where