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涂料库房必须潮湿，通风良好，室温在5～35℃。( )
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电泳涂装表面预处理最后用自来水进行冲洗。( )
溶剂蒸气侵蚀一般使用三氯乙烯溶剂，简单而有效，然而对蒸气温度必须严格控制，温度过高造成侵蚀过度，表面受损；温度过低则侵蚀不足，最佳温度是50～55℃，即稍低于三氯乙烯的沸点。( )
在三视图的画图和识图中，应掌握各视图间的主视图和俯视图的宽相等、主视图和左视图的长对正、俯视图和左视图的高平齐的技术关系。( )
Part 4Questions 26-45·Read the following passage and decide which answer best fits each space.·Forquestions26-45, markoneletterA, B, C or D on the Answer Sheet.Both (26) and zoology are parts of a more general field of science, biology. The two are studies of (27) things, which share certain characteristics, (28) they are plants or animals. Botany deals with plants, whose organisms that can (29) their own food by the use of sunlight. Zoology on (30) hand, deals with animals, those organisms that cannot manufacture their own food and are thus dependent (31) plants for their food.(32) plants and animals share many abilities, the extent (33) which plants can exercise some of those abilities is (34) . For example, both plants and animals need food, water, and warmth for growth, (35) plants can move to (36) those needs only by the slow extraction of their leaves and roots, while animals can move relatively (37) distances in relatively little time. When an animal is hurt with needle, the animal will (38) the part of the body (39) . This ability to draw back (40) pain or irritation, called irritability, is found only to a very limited extent in plants.If plants (41) the same (42) as animals, animals would have had a more difficult time finding food. If animals were as limited as plants, they might (43) a means of manufacturing their own food, as plants do now. The world would be a very different place (44) it is if the characteristics of plants and animals were (45) 38（）
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