青春期是人生的重要发育时期，也是脑重量增加的高峰期．（判断对错）

有人形象地称辽沈战役为“关门打狗。”认为这里的“门”是指 （    ）

澳大利亚学者费约翰将20世纪中国的国际形象的转变过程概括为“醒起来，站起来，飞起来”。其中标志着中国“飞起来”的历史事件是

Dear Sandy,

    My family and I 1 in Nanjing, China. We are very happy. I am 2 student in No. 11 Middle School. Is our school 3? No, it isn't very big, but it's very beautiful. There 4 any swimming pools in it. But our school 5 two basketball courts. There is a garden and many tall trees in our school. There are about fifty 6 in our school. I am in Class 2, Grade 1. My classroom is 7 the second floor in 8 A. There are twenty girls and twenty-five boys in my class. Miss Fang is our Chinese teacher. 9 is a very good teacher. We all like her very much.

    May（愿） you be 10! Hope（希望） to see you soon（尽快）.

   Yours,

 Lily