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【单选题】
下面关于理想、信念辩证关系描述不正确的是:( )A.
社会是大海，人生是小舟，理想是引航的灯塔，信念是推进的风帆
B.
社会是大海，人生是小舟，信念是引航的灯塔，理想是推进的风帆。
C.
信念是理想的基石。
D.
理想是信念的方向。
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【简答题】B People have always had to find ways to keep food safe to eat. Methods to dry, smoke and salt food were invented thousands of years ago. The process of canning is much more recent. This storage metho...
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【单选题】We learn from the passage that, despite the many uses of the coconut, it is ____ .
A.
better known among people as a source of food
B.
not very profitable for the grower
C.
very difficult to grow, harvest and process the nut
D.
only the experts who know how to use it to the full
E.
most commonly used as a material for making ropes
【单选题】下列对结构及其变量定义错误的是( )。
A.
struct My Struct { int num； char ch； }
B.
struct MyStruct { int num； char ch； }My；
C.
strut { int num； char ch； }My；
D.
struct { int num； char ch； }；
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A.
《电子商务发展:来自世界的经验》
B.
《电子商务发展:来自中国的经验》
C.
《电子商务未来:来自中国的经验》
D.
《电子商务影响力:来自中国的总结》
【单选题】关于如下结构体struct node{int id;struct node *next;};说法不正确的是
A.
struct node为数据类型
B.
struct node可以用于定义链表
C.
结构体标识符node可以省略
D.
next 指向下一个结构体变量
【单选题】If food is allowed to stand for some time, it putrefies .When the putrefied material is examined microscopically ,it is found to be teeming with bacteria. Where do these bacteria come from, since they...
A.
Pasteur's influence on the development of the microscope.
B.
The origin of the theory of spontaneous generation.
C.
The effects of pasteurization on food.
D.
Pasteur's argument against the theory of spontaneous generation.
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