一个人先后用同样大小的力 F 将不同质量的物体分别在光滑水平面、粗糙水平面和粗糙...

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【单选题】

一个人先后用同样大小的力 F 将不同质量的物体分别在光滑水平面、粗糙水平面和粗糙斜面上沿力的方向移动相同的距离 S （如图所，该这三个过程中所做功分别为 W 1 、 W 2 、 W 3 ，关于它们之间的大小关系说法正确的是 ( )

W 1 $amp; W 2 $amp; W 3

W 1 $amp; W 2 = W 3

W 1 = W 2 $amp; W 3

W 1 = W 2 = W 3

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举一反三

【单选题】Which statement about the deck line is TRUE ________．

The top of the deck line is marked at the highest point of the freeboard deck，including camber，at the midships point

A vessel with wooden planks on a steel deck will have the deck line marked at the intersection of the upper line of the wood sheathing with the side shell

The deck edge is marked at the intersection of the freeboard deck with the side shell，at the lowest point of sheer，with the vessel at even trim

On a vessel with a rounded stringer-sheer plate，the deck line is marked where the stringer plate turns down from the plane of the deck line

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【单选题】The highest complete deck on a ship is called_____ , also called upper Continuous deck.

Platform deck

Upper deck

Forcastle deck

Lower deck

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【单选题】在下列选项中,不正确的函数原型格式为( )。

int Function(int a);

void Function(a*b);

void Function(char);

void int (double *a);

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【判断题】配送管理系统形成配送优化线路后,不允许业务人员临时更改或调整线路。

正确

错误

查看完整题目与答案

【单选题】在下列选项中，不正确的函数原型格式为（）。

int Function（int a）；

void Function （char）；

int Function（a）；

void int（double* a）；

查看完整题目与答案

【简答题】在下列选项中，不正确的函数原型格式为（ C ）。 A. int Function(int a); B.void Function (char); C. int Function(a); D.void int(double* a);

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【单选题】By definition，a“spar deck”s the ().

lower most continuous deck not broken by water tight bulkheads

after most weather deck above the main strength deck

upper or weather deck above the main strength deck

deck of light construction below the main or strength deck

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【简答题】理想沉淀池的颗粒的沉淀效率只与有关,而与其他因素,比如说水深、池长、水平流速、沉淀时间等都没有关系。

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【单选题】It is possible,and sometimes necessary, to strengthen the deck of a vessel for carriage of deck cargo by（）.

placing bunker on the deck

building a stage on which to place the cargo

welding steel feet to the deck, on which the cargo is placed

erecting vertical pillars under the deck to support the cargo

查看完整题目与答案

【单选题】To shore up the main deck for the stowage of deck cargo means to（）.

weld pad eyes on deck in proper position to secure the cargo

strengthen the main deck by placing pillars underneath it in the tween-decks

distribute the weight of the cargo by placing fore-and-aft planks on the main deck

package the cargo in wooden crates so it will not damage the deck

查看完整题目与答案

The top of the deck line is marked at the highest point of the freeboard deck，including camber，at the midships point

A vessel with wooden planks on a steel deck will have the deck line marked at the intersection of the upper line of the wood sheathing with the side shell

The deck edge is marked at the intersection of the freeboard deck with the side shell，at the lowest point of sheer，with the vessel at even trim

On a vessel with a rounded stringer-sheer plate，the deck line is marked where the stringer plate turns down from the plane of the deck line

查看完整题目与答案

【单选题】The highest complete deck on a ship is called_____ , also called upper Continuous deck.

查看完整题目与答案

【单选题】在下列选项中,不正确的函数原型格式为( )。

int Function(int a);

void Function(a*b);

void Function(char);

void int (double *a);

查看完整题目与答案

【判断题】配送管理系统形成配送优化线路后,不允许业务人员临时更改或调整线路。

正确

错误

查看完整题目与答案

【单选题】在下列选项中，不正确的函数原型格式为（）。

int Function（int a）；

void Function （char）；

int Function（a）；

void int（double* a）；

查看完整题目与答案

【简答题】在下列选项中，不正确的函数原型格式为（ C ）。 A. int Function(int a); B.void Function (char); C. int Function(a); D.void int(double* a);

查看完整题目与答案

【单选题】By definition，a“spar deck”s the ().

lower most continuous deck not broken by water tight bulkheads

after most weather deck above the main strength deck

upper or weather deck above the main strength deck

deck of light construction below the main or strength deck

查看完整题目与答案

【简答题】理想沉淀池的颗粒的沉淀效率只与有关,而与其他因素,比如说水深、池长、水平流速、沉淀时间等都没有关系。

查看完整题目与答案

【单选题】It is possible,and sometimes necessary, to strengthen the deck of a vessel for carriage of deck cargo by（）.

placing bunker on the deck

building a stage on which to place the cargo

welding steel feet to the deck, on which the cargo is placed

erecting vertical pillars under the deck to support the cargo

查看完整题目与答案

【单选题】To shore up the main deck for the stowage of deck cargo means to（）.

weld pad eyes on deck in proper position to secure the cargo

strengthen the main deck by placing pillars underneath it in the tween-decks

distribute the weight of the cargo by placing fore-and-aft planks on the main deck

package the cargo in wooden crates so it will not damage the deck

查看完整题目与答案

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