以分泌浆液为主的腺体是()
A.腮腺
B.下颌下腺
C.舌下腺
D.唇颊部粘膜下腺
E.舌腭部粘膜下腺
参考答案:A, B
根据句意及首字母的提示完成句子。
1. Let’s see what is on the m_________ of this restaurant.
2. He p_________ her to go to school, even though she did not want to.
3. The restaurant has a wide selection of t_________ food.
4. His bad health is a great d_________ to him.
5. Smoking is b_________ in our school.
小丽是小学一年级新生,入学一个多月后每天放学回家都说自己肚子疼。小丽妈妈带她到医院检查后没有找到任何病因,于是向社会工作者小秦求助,小秦计划依据生态系统理论探索小丽的家庭与学校之间的互动关系,这是小丽生长环境的()系统。
A.微观
B.中观
C.外部
D.宏观