— Would you like ______ bread?
— Yes, please. [ ]
A. a
B. many
C. some
D. any
答案:C
单词归类 根据所给单词按其所属类别进行分类。
cheese supermarket onion officer offer clerk rabbit park dolphin laugh
mushroom teacher church raise panda fish reporter lemonade describe kitchen
1. 职业类:________ ________ ________ ________
2. 食品类:________ ________ ________ ________
3. 动物类:________ ________ ________ ________
4. 行为动作类:________ ________ ________ ________
5. 场所名称类:________ ________ ________ ________
以下变化属于基因突变,除了
A.转换B.颠换C.移码突变D.DNA大段损伤E.裂隙