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【简答题】
大、小齿轮上的齿个数比是7：5，小齿轮有35个齿，大齿轮有（ ）个齿。
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举一反三
【单选题】How do we say the number 110,206?
A.
one hundred, ten thousand, two hundred and six.
B.
one hundred and ten thousands and two hundreds and six.
C.
one hundred and ten thousand and two hundred and six.
D.
one hundred and ten thousand, two hundred and six.
【单选题】—The clothes are one hundred yuan. —One hundred yuan! _______ you _______? [ ]
A.
Do; kidding
B.
Do; kid
C.
Is; kidding
D.
Are; kidding
【单选题】Five mil lion, five hundred and fifteen thousand, one hundred and fifty-one is __________. [ ]
A.
5,515,151
B.
5,151,151
C.
5,151,515
D.
5,551,155
【简答题】二2 ( )是一个由人、计算机等组成的能进行物流信息的收集、传递、储存、加工、维护和使用的系统。
【简答题】创业创新执行力课程告诉大学生在大学前几年我们要做的是()。
【单选题】You need to design a student registration database that contains several tables storing academic information. The STUDENTS table stores information about a student. The STUDENT_GRADES table stores inf...
A.
CREATE TABLE student_grades (student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT student_id_fk REFERENCES (student_id) FOREIGN KEY student (student_id));
B.
CREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id));
C.
CREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT FOREIGN KEY (student_id) REFERENCES student (student_id));
D.
CREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id));
【单选题】We read 10 ,206 like this________.
A.
one thousand, two hundred and six
B.
one thousands, two hundred and six
C.
ten thousand, two hundred and six
D.
ten thousand, two hundred six
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