【单选题】听力原文:M: Are you looking forward to your trip to Canada? W: I can't wait to see Canada, but I'm scared stiff of the journey. My husband insists on flying, but I want to sail. Planes make me nervous. M:...
C.
The woman and her husband.
D.
The woman and her friend.
【单选题】听力原文:M: Are you looking forward to your trip to Canada, Julie? W: I can't wait to see Canada, but I'm scared of the journey. My husband insists on flying, but I want to sail. Planes make me nervous. M...
A.
The transportation of the trip.
D.
The quarrel between a couple.
【单选题】甲企业 “ 应收账款 ” 账户期初借方余额 40 000 元,本期减少发生额为 15 000 元,该账户期末借方余额 60 000 元,则企业本期必定还发生了( )
【判断题】Haizi passed away at the age of 25.
【简答题】设随机变量 且满足P{X 1 X 2 =0}=1,则P{X 1 =X 2 }等于[ ] (A) 0; (B) 1/4; (C) 1/2; (D) 1.
【单选题】设随机变量 的分布律为: -1 0 1 1/4 1/2 1/4 且满足 ,则 ( ).
【简答题】设随机变量 且满足P{X 1 X 2 =0}=1,则P{X 1 =X 2 }等于[ ] (A) 0; (B) 1/4; (C) 1/2; (D) 1.
【单选题】听第9段材料,回答第15~17题。 Text 9 M: Are you looking forward to your trip to Canada, Susan? W: I can't wait to see Canada, Jason, but I'm scared stiff of the journey. My husband insists on flying, but I want t...