女性在家庭中扮演的角色是

A.二度Ⅰ型房室传导阻滞
B.二度Ⅰ型窦房阻滞
C.二度Ⅱ型房室传导阻滞
D.窦性心律不齐

A.2m规格华为传输机架，垂直偏差为3mm
B.2m规格华为传输机架，垂直偏差为2.1mm
C.2m规格华为传输机架，垂直偏差为4.2mm
D.2m规格华为传输机架，垂直偏差为1.8mm

Listening 1-Task 2 EventPreparations I Extensive Listening Listento a conversation between Alice and Bill and decide whether the followingstatements are true （） 1. Preparations for the Expo concern Bill a lot.