完形填空
Human beings are animals. We breathe, eat and digest, and reproduce the same life【C1】______common to all animals. In a biological laboratory rats, monkeys, and humans seem very much the same. However, biological understanding is not enough:【C2】______itself, it can never tell us what human beings are.【C3】______to our physical equipment the naked human body—we are not an【C4】______animal. We are tropical creatures,【C5】______hairless and sensitive to cold. We are not fast and have neither claws nor sharp teeth to defend ourselves. We need a lot of food but have almost no physical equipment to help us get it. In the purely physical【C6】______, our species seems a poor【C7】______for survival. But we have survived—survived and multiplied and【C8】______the earth. Some day we will have a【C9】______living on the moon, a place with neither air nor water and with temperatures that turn gases into solids. How can we have done all these things? Part of the answer is physical.【C10】______its limitations, our physical equipment has some important【C11】______. We have excellent vision and hands that can【C12】______objects with a precision unmatched by any other【C13】______. Most importantly, we have a large brain with an almost【C14】______number of neural【C15】______
单选题21.【C1】
【正确答案】
A
【答案解析】life processes意为“生命历程”，在这里符合题意。C项modes意为“方式，方法”；D项procedures意为“程序，手续，常规”。例如：The new work procedure is a great improvement on／over the old one．新工序比起老工序来是个巨大的改进。
单选题22.【C2】
【正确答案】
D
【答案解析】By itself为习惯用语，意为“独自地，单独地”。例如：The house stands by itself outside the village．这幢房子孤单地坐落在村外。所以D项为正确答案，即可排除A、B、C项。
单选题23.【C3】
【正确答案】
A
【答案解析】A项strip意为“脱去，剥去”；B项pare意为“削去，剥去(外皮)，(常与off，away连用)修剪，(常与away，down连用)削减”；C项peel意为“(常与off连用)去(皮或壳等)”。例如：The wallpaper is peeling off．壁纸正在剥落。D项remove意为“移动”。
【答案解析】A项fill意为“注满，用……装满”，fill the earth意为“遍布地球”，强调分布范围之广。A项符合题意。B项load意为“装载；大量供给，负荷，重担，装载量，加载”；C项stuff意为“塞入，塞满”；D项意为scatter“分散，散开”。
单选题29.【C9】
【正确答案】
B
【答案解析】从下文中可找到提示： “Inhabitants of our eventual moon colony will bring their own food…”，故选B项colony，意为“殖民地，侨民”；A项residence意为“居住，住处”；D项ampire意为“帝国，帝权”。
单选题30.【C10】
【正确答案】
D
【答案解析】根据题意，应选择表示让步关系的In spite of，意为“尽管”，例如：In spite of great efforts we failed to carry our plans through．尽管我们作出了巨大努力，我们还是没能完成计划。A项Apart from和C项With the exception of意为“除……之外”，B项With regard to意为“关于”，即可排除A、B、C项。