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【单项选择题】

In comparison to electric power,hydraulic power for jacking systems has the advantage of().

A、A.better control capabilities

B、B.less maintenance and repair

C、C.fewer personnel needed during jacking

D、D.less preload needed

更多“In comparison to electric power,hydraulic power for jacking systems has the advantage of().”相关的问题
第1题

A、Diesel engines have more advantages in comparison with gasoline engines  B、Diesel engines have more advantages in comparison to gasoline engines  C、Gasoline engines have more advantages in comparison with diesel engines  D、Gasoline engines have more advantages in comparison to diesel engines  

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第2题

A、A single row subquery can retrieve data from only one table.  B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.  C、A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.  D、A single row subquery can retrieve data from more than one table.  E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.  F、A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.  

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第3题

A、A single row subquery can retrieve data from only one table.  B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.  C、A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.  D、A single row subquery can retrieve data from more than one table.  E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.  F、A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.  

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第4题

A、A single row subquery can retrieve data from only one table.  B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.  C、A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.  D、A single row subquery can retrieve data from more than one table.  E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.  F、A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.  

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第6题

A、A single row subquery can retrieve data from only one table.  B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.  C、A SQL query statement can display data from table B that is referred to in its subquery, without including B in its own FROM clause.  D、A single row subquery can retrieve data from more than one table.  E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.  F、A multiple-row subquery cannot be used in an INSERT statement to insert multiple rows at a time.  

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第7题

A、A. A single row subquery can retrieve data from only one table.  B、B. A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.  C、C. A SQL query statement can display data from table B that is referred to in its subquery, without including B in its own FROM clause.  D、D. A single row subquery can retrieve data from more than one table.  E、E. A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.  F、F. A multiple-row subquery cannot be used in an INSERT statement to insert multiple rows at a time.  

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