对疑似染病动物的隔离观察分（）种类型。A、发病类 B、疑似类 C、接触类 D、放射类

One of the guidelines in writing the C code for a software tool is as follows: write code that is as clear and as simple a (76) . The C language can be difficult to read if you combine all (77) features in a single statement. Break complicated (78) into several easy to understand statements for the (79) of readability. This style helps to make your programs more (80) and error-free.

77（）

A.readable

B.reusable

C.possible

D.semantic

E.syntactic

F.constructions

G.safe

H.impossible

I.sake

J.structure

烟叶含氯量高，对烤烟品质明显不利，具体表现为（）

A、降低烟叶的燃烧性

B、干扰碳水化合物代谢，使叶内积累淀粉多，叶肥厚而脆，叶缘向上卷起、不平展

C、烤后叶面呈光滑的外表，呈暗淡、呈泥土色而且色彩不均匀

D、吸湿性大，存放时颜色变深，并产生不良的气味

铝芯电力电缆截面不宜小于（）。

A.1.5mm²

B.2.5mm²

C.4mm²

D.6mm²

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