用上面加*号的单词的适当形式填空

　　1．An anxious man may not know that anxiety comes from not being able to adapt himself in his own existence.

　　2．Support for inter­country adoption is particularly strong in America, where parents adopt more foreign children than all the rest of the world.

　　3．No one knows for certain the origin of the custom. We only know the custom is still in its original condition.

　　4．Your judgement is right. Judging from his look, he must be angry with us. But we can't judge a person only by his/her appearance.

　　5．Mary was too frightened to tell her family the frightening scene because it frightened her to death.

　　[话题单词积累]

　　1．terrify /'terɪfaɪ/ v．　　使惊恐，使受惊吓

　　2．fear /fɪə(r)/ n. 害怕，恐惧

　　3．gene /dʒiːn/ n. 基因

　　4．identical /aɪ'dentɪkl/ adj. 完全相同的

　　5．beneficial /benɪ'fɪʃl/ adj. 有益的，有用的

　　6．organism /'ɔːgənɪzəm/ n. 有机体

　　7．upbringing /'ʌpbrɪŋɪŋ/ n. 抚育，养育

　　8．genetic /dʒə'netɪk/ adj. 基因的，遗传基因的

　　9．make­up /meɪkʌp/ n. 构成，构造

　　10．genetics /dʒənetɪks/ n. 遗传学

　　11．component /kəm'pəʊnənt/ n．成分

　　12．procedure /prə'siːdʒə(r)/ n．程序

　　13．controversial /kɒntrə'vɜːʃl/ adj. 有争议的

　　14．optional /'ɒpʃənl/ adj. 可选择的

　　15．reproduce /riːprə'djuːs/ v．复制；使再现

　　16．virtue /'vɜːtʃuː/ n. 道德上的优点，善行

　　17．flexible /'fleksəbl/ adj. 易适应的

　　18．compulsory /kəm'pʌlsəri/ adj.强制的

　　19．regulation /regju'leɪʃn/ n．法规，条例

　　20．resist /rɪ'zɪst/ v. 抵抗

　　21．biodiversity /ˌbaɪəʊdaɪ'vɜːsəti/ n. 生物多样性

　　22．breed /briːd/ n. (动植物的)品种

23．analyse /'ænəlaɪz/ v. 分析