一个最简分数,分子和分母的公因数是______.(判断对错)
一个最简分数,分子和分母的公因数是1.
故答案为:1.
读短文,判断正(√)误(×)。
I'm Alice. This is our school. It is big. This is my classroom. It's big and clean. Look! That is my desk. It is yellow. My teacher is Miss Li. She is in the classroom. She is a good teacher. I like my teacher.
( ) 1. My name is Alice,
( ) 2. My school is small.
( ) 3. My classroom is dirty (脏的).
( ) 4. My desk is yellow.
( ) 5. Miss Li is not in the classroom.
耳郭软骨膜炎、急性中耳炎、鼻窦炎、咽炎、扁桃体炎、喉炎均可采用的物理治疗有()
A.超短波疗法
B.紫外线疗法
C.直流电离子导入
D.调制中频电
E.感应电疗法