问题 单项选择题

慢性主动脉瓣关闭不全的晚期表现为()

A.右心室衰竭

B.左心室衰竭

C.晕厥

D.全心衰竭

E.心绞痛

答案

参考答案:B

写作题

Writing.

根据题意,完成下面一则通知。

学校定于6月23日14点30分在学校操场举行毕业典礼。请同学们穿好校服,按时参加。 

                                                              NOTICE

                                                                                                                                  

                                                                                                                                  

                                                                                                                                 

                                                                                                       The Student Union

                                                                                                        June 22

多项选择题