The most common division between primary and secondary education in the US is ___________.（ ） A: primary schools (Grade 1 to Grade 6) and middle schools (Grade 7 to Grade 12) B: elementary schools (Grade Kindergarten to Grade 8) and high schools (Grade 9 to Grade 12) C: elementary schools (Grade Kindergarten to Grade 3), middle schools (Grade 4 to Grade 6) and high schools (Grade 7 to Grade 12) D: grammar schools (Grade Kindergarten to Grade 6) and high schools (Grade 7 to Grade 12)

The relief grade of fluorite is : ( ) A: Negative high relief B: Positive low relief C: Positive median relief D: Twinkling

The relief grade of muscovite is : ( ) A: Negative high relief B: Positive low relief C: Positive median relief D: Twinkling

I have a solid ac_________ background, having completed my courses with a high grade point average that meets your general entrance requirements.

If full credits were given to this part, it could ______ a high grade for the student in his physical course. A: belong to B: be due to C: he subject to D: contribute to

Which grade were they in? A: Grade 8 B: Grade 9 C: Grade 10 D: Grade 11

【单选题】5. 假定student表中有字段grade,grade代表分数,依次统计grade字段的最大值,最小值,平均值的SQL语句是 A. SELECT max(grade),min(grade),average(grade) FROM student; B. SELECT max(grade),min(grade),avg(grade) FROM student; C. SELECT min(grade),average(grade),max(grade) FROM student; D. SELECT min(grade),avg(grade),max(grade) FROM student;

What grade is the woman in A: Grade one. B: Grade two. C: Grade three.

They are the students of ______. A: grade 7 B: Grade 7 C: 7th grade D: Grade 7th

青书学堂: (问答题) 翻译George so often told stories there were untrue that no one believed him when he told about the high grade he got in the exam. (本题3.0分)