题目

1. She eats ____________ (健康的)food every day. 2. He can’t answer the question. It’s too d         . 3. Tuesday is the t_______ day of a week. 4. -Is this your cup?   -No, it’s not m________. 5. Thank you for________ me.(help). 答案:1.healthy, 2. difficult, 3.third, 4.mine, 5.helping(08中山一中等四校联考)基因突变的随机性表现在A.生物个体发育的任何时期都可能发生基因突变    B.体细胞和生殖细胞都可能发生基因突变C.细胞分裂间期和分裂期都可能发生基因突变 D.DNA复制、转录、翻译都可能发生基因突变
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