什么是复合肥料？复合肥料有哪些类型？

Section C (12 marks)

Directions: Complete the following passage by filling in each blank with one word that best fits the context.

When kids in parts of the world want to play, they often make soccer balls out of trash tied together with string. “ 小题1:  the areas used for playing fields are often rough and rocky, millions of real balls go flat (变瘪)   小题2:  24 hours,” says Tim Jahnigen, a California businessman. Determined to solve this problem,   小题3:   created an indestructible ball called the One World Futbol.

The ball is made of   小题4:  special material, ethylene-vinyl acetate foam. It’s lightweight, it’s flexible, and— 小题5:  important—it holds its shape.

The One World Futbol needs no pump   小题6: won’t wear out, even on rough surfaces. When tested, 小题7:   withstood (经受住) being crushed by a car, and even being chewed on by a lion.

Although it costs more to produce   小题8:  a typical soccer ball, Jahnigen estimates the One World Futbol can last 30 years. So far, it’s been given to kids in 143 countries. (154 words)

不适合于在大、中型计算机系统上使用的数据库系统是( )。

A．DB2
B．Access
C．Oracle
D．Microsoft SQL Server

价值工程的特点包括( )等。

A．价值工程的目标，是以最低的寿命周期成本，使产品具备它所必须具备的功能

B．价值工程将产品价值、功能和成本作为一个整体同时来考虑

C．价值工程强调不断改革和创新

D．价值工程是以集体智慧开展的有计划、有组织、有领导的管理活动

E．价值工程要求将功能定性化

利用海明码（Hamming Code）纠正单比特差错的差错控制技术中，如果加入4位冗余位，则信息位最多为（）位。

A．4

B．8

C．11

D．15

下列有关植物克隆的叙述中错误的是（）

A.玉米和水稻等作物的一些品种或品系的培养细胞所诱导出的再生植株，在多次继代培养后，会丧失全能性的表达能力

B.培养基中加入不同浓度的氯化钠或病原体的毒蛋白，可诱发和筛选抗盐或抗病突变体

C.胚性细胞具有细胞质丰富、液泡小而细胞核大的特征

D.植物组织培养过程中器官发生和形态建成主要通过调节植物生长调节剂种类来实现的