This is the student（）I know will pass the TOEFL test.

A、who

B、whom

C、whose

D、what

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更多“This is the student（）I know will pass the TOEFL test.”相关的问题

第1题

[单选题] You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?（）

A、ALTER TABLE students ADD PRIMARY KEY student_id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student _ id); C、ALTER TABLE students ADD CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id); D、ALTER TABLE students MODIFY CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);

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第2题

[单选题] You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?（）

A、ALTER TABLE students ADD PRIMARY KEY student_id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id); C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id); E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);

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第3题

[单选题] You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?（）

A、ALTER TABLE students ADD PRIMARY KEY student_id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id); C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id); E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);

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第4题

[单选题] You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?（）

A、ALTER TABLE students ADD PRIMARY KEY student_id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id); C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id); E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);

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第5题

[单选题] You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?（）

A、ALTER TABLE students ADD PRIMARY KEY _ id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id); C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id); E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);

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第6题

[单选题] You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?（）

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第7题

[] Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa > &&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（） Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa > &&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）

A、A.An error is returned. B、B.You are prompted to enter a new value. C、C.A report is produced that matches the first report produced. D、D.You are asked whether you want a new value or if you want to run the report based on the previous value.

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第8题

[简答题] 请根据下列材料写一篇150词左右的英文短文。 On college campuses across the nation, there is a noticeable phenomenon that we cannot afford to ignore: far too many young college students lack the sense of gratitude. What is your opinion about this phenomenon?

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第9题

[] If the chosen topic for a conversation lesson is too general it will not excite the students, if it is too specific some students will be interested, and others not.（）

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