The audience, ______, enjoyed the performance.
A. most of them were students
B. most of whom were students
C. whom they were students
D. they were mostly students
第1题:
To our disappointment, Bill ______ to accomplish the work on time.
A. served
B. failed
C. suggested
D. enjoyed
第2题:
第3题:
创建students对象,_______语句可以选出第二个同学的身高。 students数据如下: age height weight 1 19 170 68 2 20 165 65 3 18 175 65
A.students[1,'height']
B.students.loc[2,'height']
C.students.iloc[1, 1]
D.students['height'][3]
第4题:
第5题:
声明并创建一个学生类Student的对象s,下列语法格式正确的是()。
A.Student s = Student();
B.Student s;
C.Student s = new Student();
D.Student s = new ();
第6题:
创建students对象,_______语句可以选出第二个同学的身高。 students数据如下: age height weight 1 19 170 68 2 20 165 65 3 18 175 65
A.students.loc[2,'height']
B.students.iloc[1, 1]
C.students[1,'height']
D.students['height'][3]