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【单选题】

The selection of a lubricating oil depends to a great extent on the operating conditions,().

A、the type of coolant

B、the design of the engine

C、the type of fuel to be burned

D、B and C

更多“The selection of a lubricating oil depends to a great extent on the operating conditions,().”相关的问题
第1题

A、in the INTO clause of an INSERT statement  B、in the FROM clause of a SELECT statement  C、in the GROUP BY clause of a SELECT statement  D、in the WHERE clause of a SELECT statement  E、in the SET clause of an UPDATE statement  F、in the VALUES clause of an INSERT statement  

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第2题

A、in the INTO clause of an INSERT statement  B、in the FROM clause of a SELECT statement  C、in the GROUP BY clause of a SELECT statement  D、in the WHERE clause of a SELECT statement  E、in the SET clause of an UPDATE statement  F、in the VALUES clause of an INSERT statement  

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第3题

AA.SELECT UNIQUE dept FROM staff  B、B.SELECT DISTINCT dept FROM staff  C、C.SELECT (dept) UNIQUE FROM staff  D、D.SELECT (dept) DISTINCT FROM staff  

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第4题

A、determine types of protocols to be supported  B、determine the environment in which the router will be used  C、select the number of WAN ports required  D、select the number of LAN ports required  

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第6题

A、SELECT e.last_name, d.department_id, d.department_name, l.city FROM departments d RIGHT OUTER JOIN employees e ON d.department_id = e.department_id RIGHT OUTER JOIN locations l ON d.location_id = l.location_id;  B、SELECT e.last_name, d.department_id, d.department_name, l.city FROM departments d FULL OUTER JOIN employees e ON d.department_id = e.department_id FULL OUTER JOIN locations l ON d.location_id = l.location_id;  C、SELECT e.last_name, d.department_id, d.department_name, l.city FROM departments d LEFT OUTER JOIN employees e ON d.department_id = e.department_id LEFT OUTER JOIN locations l ON d.location_id = l.location_id;  D、SELECT last_name, department_id, department_name, city FROM departments d NATURAL JOIN employees e NATURAL JOIN locations l;  

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第7题

AA.SELECT e.last_name, d.department_id, d.department_name, l.city FROM departments d RIGHT OUTER JOIN employees e ON d.department_id = e.department_id RIGHT OUTER JOIN locations l ON d.location_id = l.location_id;  B、B.SELECT e.last_name, d.department_id, d.department_name, l.city FROM departments d FULL OUTER JOIN employees e ON d.department_id = e.department_id FULL OUTER JOIN locations l ON d.location_id = l.location_id;  C、C.SELECT e.last_name, d.department_id, d.department_name, l.city FROM departments d LEFT OUTER JOIN employees e ON d.department_id = e.department_id LEFT OUTER JOIN locations l ON d.location_id = l.location_id;  D、D.SELECT last_name, department_id, department_name, city FROM departments d NATURAL JOIN employees e NATURAL JOIN locations l;  

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第8题

AThe statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.  B、The statement returns an error at the SELECT clause.  C、The statement returns an error at the WHERE clause.  D、The statement returns an error at the ORDER BY clause.  

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第9题

A、No change is required to achieve the desired results.  B、SELECT ename, sal, 12*(sal+100) FROM emp;  C、SELECT ename, sal, (12*sal)+100 FROM emp;  D、SELECT ename, sal+100,*12 FROM emp;  

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第10题

A、No change is required to achieve the desired results.  B、SELECT ename, sal, 12* (sal+100) FROM emp;  C、SELECT ename, sal, (12* sal)+100 FROM emp;  D、SELECT ename, sal +100,*12 FROM emp;  

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