答案：
1-5BCBAA
1. 选B ①indicate标志，表示，表明What country is indicated by the name has not yet been determined.
②demonstrate说明，论证，演示，表露，显示At that time no one could demonstrate that the earth moves around the sun.
③appear出现，显露，来到，看起来好象He may appear a fool but actually he’s quite clever.
④indicate暗示
2. 选C①mind“智力”He is old but his mind is still sharp.
3. 选B①如果选make，后面的不定式to要省略。The children were surprised when the teacher made them close their books unexpectedly.②cause使……Climbing those stairs caused her to feel faint.
4. 选A①take over接收，接管He is taking over my job during my holiday.
②take out除去，删除I'll have my tooth taken out.
③take off脱去，脱掉
④take on从事，承担He has taken on many responsibilities.
5. 选A①circulation销售量
②reproduction生殖，繁殖We will have a lesson on the reproduction of the rabbits this afternoon.
③manipulation操作，操纵Some people can put back a twisted joint, like the shoulder, by careful manipulation.
④penetration穿透，洞察力The penetration of that woman's mind is really wonderful.