第四課時一、在空缺處填上所缺的英文數字。1. seven + four = __________ 2. six + six = __________3. five + __________ = thirteen 4. five + __________ = fourteen5. seven + eight = __________ 6. seven + __________ = seventeen7. ten + nine =_______________ 8. nine + seven =____________二、翻譯短語。1. 十二個學生 __________ 2. 十六個梨______________3. 二十個葡萄__________ 4. 十八個雞蛋 5. 十五個冰淇淋 ________三、閱讀短文，選擇正確的答案。My name is Lucy. Im twelve years old. I study in Hong Xing Primary School. Look, this is my classroom. There are twenty desks and twenty chairs. And there are eight fans in my classroom. And we can see three windows and two doors. We can see two blackboards, too.（ ）1. How old is Lucy? A. Eleven.B. Twelve. C. Thirteen.（ ）2. There are ________ desks in the classroom.A. twentyB. twelve C. thirteen（ ）3. There are ________ fans in the classroom.A. nineB. ten C. eight答案一、1. eleven 2. twelve 3. eight 4. nine 5. fifteen 6. ten 7. nineteen 8. sixteen 二、1. twelve students 2. sixteen pears 3. twenty grapes 4. eighteen eggs 5. fifteen ice-creams三、1. B 2. A 3. C