【单选题】听力原文: On Feb 15th, 1989, an instant survey was carried out among 18 overseas postgraduate students. Eleven students were male and seven were female. The purpose of the survey was to discover the views...
【判断题】浓郁的诗情是《少年维特之烦恼》最显著的特色。主人公情感的发展变化,完全由大自然的发展变化相伴随,维特的心态由初恋时的快乐欢欣,到苦恋阶段的忧郁、沮丧、烦恼和痛苦,到绝望时的愤怒、仇恨,自然界也随之由万物繁茂的夏季,到万物萧条的秋天,再到风雪交加的冬日。主人公心灵发展过程,情感运动轨迹,完全同自然的时序相一致相吻合,情景交融,寄情于景,造成诗一般的境界,给人以诗一般的感受。
【判断题】两样本率的比较可以采用 2 c 检验,也可以采用双侧 u 检验。
【单选题】以下关于基本型8XX51单片机的中断系统的说法中,不正确的是()。
C.
中断源的名称分别是定时/计数器中断T0、T1、T2,外部中断0、外部中断1,串行口中断。
【单选题】听力原文: On 15 Feb., 1989, an instant survey was carried out among 18 overseas postgraduate students: 11 students were male and 7 were female. The purpose of the survey was to discover the views of the s...
A.
11 male students and 7 female students.
B.
7 male students and 11 female students.
C.
18 male students and 7 female students.
D.
7 male students and 18 female students.