【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】What is tree 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】El carácter chino correspondiente a“pastel” comparte la pronunciación con otro carácter que significa _______________.
【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}
【简答题】(12分)将碱溶液A、盐溶液B按如下程度进行实验,根据下述现象判断: (1)A的化学式 B的化学式 。 (2)完成下列转化的化学方程式,并用“单线桥法”标明电子转移的方向和数目: D→H+P: (3) 写出下列反应的离子方程式: A+B: F+盐酸: (4)盐溶液B中阴离子的检验方法是
【简答题】完成下列转化 1. CH 3 CHBrCH 3 ——CH 3 CH 2 CH 2 OH 2. CH 3 CH 2 CHBrCH 3 ——CH 3 C ≡ CCH 3
【单选题】¿Qué forma tiene el carácter“suì” (岁) en la escritura china encontrada en los huesos del oráculo?
【单选题】¿Qué forma tiene el carácter “sui” (岁) en la escritura china encontrada en los huesos del oráculo?