【名词&注释】
健康状况(health status)、逻辑关系(logical relation)、婚姻家庭制度(marriage and family system)、阶级社会(class society)、一般现在时(simple present tense)、一夫一妻制(monogamy)
[单选题]设集合M={X∈R|X≤-1},集合N={∈R|Z≥-3},则集合MnN=( )
A. {X∈R|一3≤X≤-1}
B. {Z∈R|Z≤-1}
C. {X∈R|X≥一3}
D. φ
查看答案&解析
查看所有试题
学习资料:
[单选题]What we have to take________the courses offered only for this term.
A. are
B. is
C. have been
D. has been
[单选题]His health failing,________ in 1995.
A. Andrew Peters went on leave from the army
B. so Andrew Peters went on leave from the army
C. when the army gave Andrew Peters leave
D. the army gave Andrew Peters leave
[单选题]阶级社会形成以来的婚姻家庭制度是 ( )
A. 群婚制
B. 一夫一妻制(monogamy)
C. 普那路亚婚制
D. 对偶婚制
[单选题]下列关于臂丛的叙述,正确的是( )
A. 臂丛与锁骨下动脉一起通过斜角肌间隙
B. 臂丛与锁骨下静脉一起通过斜角肌间隙
C. 臂丛与锁骨下动、静脉一起通过斜角肌间隙
D. 臂丛麻醉只可在腋窝处进行
E. 以上都不正确
本文链接:https://www.51bdks.net/show/3jnxky.html