【单选题】Cuando Luna tuvo que elegir qué carrera estudiar
A.
decidi ó que quer í a ser profesora.
B.
pensó que era una decisión importante
C.
no había pensado en este tema
【单选题】What is true about the book called The Cat in the Hat?
A.
It is a book written only for classroom reading.
B.
It is a book on education.
C.
It has a vocabulary of only two hundred words.
D.
It was written by a child.
【单选题】民航机票经常价格打折说明飞机旅行的需求( )[1分]
【单选题】民航机票经常打折说明飞机旅行需求( )。
【简答题】(8分)现有K O S H 四种元素,请选用其中一种或几种元素组成符合下列要求的物质,完成下列转化: (1)单质 → 化合物: ; (2)酸 → 盐: ; (3)酸性氧化物 → 盐: ; (4)碱性氧化物 → 碱: 。
【单选题】下列选项中,正确定义了一个字典的是( )
A.
a = ["A":10,"B":20,"C":30]
B.
b = ("A":10,"B":20,"C":30)
C.
c = {1A:10,2B:20,3C:30}
D.
d = { "A":10,"B":20,"C":30}
【单选题】¿Qué forma tiene el carácter “sui” (岁) en la escritura china encontrada en los huesos del oráculo?