问题
选择题
等边三角形、正方形、半圆形的对称轴的条数分别为x,y,z,则x2+y2=[ ]
A.5
B.10
C.25
答案
答案:C
等边三角形、正方形、半圆形的对称轴的条数分别为x,y,z,则x2+y2=[ ]
A.5
B.10
C.25
答案:C
完型填空。 | ||||
Beethoven had an ugly face and a very 1 temper (脾气) but people 2 him to their homes. When he lost his temper, they forgave (原谅) him. He was often poor and ill during his life. After one illness, he suddenly 3 himself deaf. At that time he was 4 31. What a blow it was on him! 5 this didn't stop Beethoven 6 on in his life.He went on 7 much music. He wrote long pieces and short pieces, happy ones and 8 ones. During his life, he composed (作曲) about 300 pieces. 9 people's surprise, he wrote some of his best and most beautiful pieces 10 he became deaf. Many of them are known and loved all over the world. | ||||
|