【单选题】How does Mr. Darcy offend Elizabeth at the first ball?
A.
He insults her mother.
B.
He dances with Jane too often.
C.
He laughs at her dress.
D.
He refuses to dance with her.
【简答题】若 ,则在 的二项展开式中,常数项为 .
【判断题】计算机故障一般分为硬件故障和软件故障两大类
【判断题】机器设备的故障一般分为劣化故障和突发故障两类。()
【简答题】(本题满分10分)已知在 的展开式中,第4项为常数项 (1) 求 的值; (2) 求展开式中含 项系数.
【单选题】引起艾滋病病毒(HIV〕条件性感染的微生物,主要有
【单选题】How does Mr. Darcy offend Elizabeth at the first ball?
A.
He insults her father.
B.
He dances with Jane too often.
D.
He refuses to dance with her.
【简答题】什么是二重感染、条件性感染、脓毒症、菌血症?