阅读理解。根据短文内容, 判断下列句子正(T)误(F).

     At school I have a good friend. He is an English boy. His name is Tom. He is twelve. We are in No. 10

Middle School. We're not in the same class. He is in Class 4, Grade 1. I'm in Class 2, Grade 1. Tom's sister

is not a student. Her name is Jane. She is five. She is a nice girl.

     Miss Gao is my English teacher. She is thirty. Mr. Wang is Tom's Chinese teacher. He is thirty, too.

They're good teachers.

(     )1. Tom is American.

(     )2. We aren't in the same school.

( )3. Tom is in Class Four, Grade One.

(     )4. Jane is Tom's sister.

( )5. Miss Gao is Tom's English teacher.

环境承载力是生态系统在维持生命机体的再生能力、适应能力和更新能力的前提下，承受有机体数量的限度。 根据上述定义，下列不属于保护环境承载力措施的是：

A．政府规定每平方公顷草场放牧的牧畜数量

B．某地政府出资修缮年久失修的道路，并规定载重超过20吨的车辆禁止通行

C．为防止外人随意游牧，政府将草场划分给牧民个人并在边界安装围栏

D．某风景区旅游区规定，每天进入景区的旅游人数不得超过1000人