严重高血压、青光眼以及严重心功能代偿不全者禁用
A．氟烷B．氯胺酮C．恩氟烷D．醚E．氧化亚氮
参考答案：B
— ______?
— He did some reading at home. [ ]
A. What does your father do yesterday evening
B. What does your brother do in the school
C. What did your brother do over the weekend
D. Where did your brother go last Sunday
4分）写出下列反应的化学方程式：
(1)硬脂酸甘油酯的皂化反应：_______________________________________
(2)乙二酸和乙二醇在催化剂一定条件下，发生反应生成链状聚酯：_______________________
