自然地理学界将整个中国分为三个大的自然区域：内蒙古和新疆所处的西北干旱区、东部各省市

根据短文内容，判断正（T）误（F）。

    Ann's father works in a hospital. He is busy all the time. Ann is seven and begins to go to school. She

often watches TV at home. Some of her friends often go abroad (国外) to travel (旅行), but her father

doesn't have time. He and his wife can only take their daughter to some cities in England.

    In August, Mr.Black has some time. He is going to take his family to Iceland (冰岛). Ann is very happy

and tells her friends about it.

    "Why are you going to travel to Iceland, Ann?" asks a girl.

    The little girl doesn't know the answer. She thinks for some minutes and says, "We want to see it before

it melts (融化)."

( )1. Mr.Black is a policeman.

( )2. Mr.Black can not take his family to travel abroad because he has no money.

(     )3. Because Mr.Black does not have any time, his family can only travel to some cities in England.

(     )4. Ann thinks Iceland will soon melt.

(     )5. Ann's mother works in a hospital, too.

女性，65岁。临床诊断为慢性结石性胆囊炎，拟择期行胆囊切除术。近3年来每到冬季就开始咳嗽、咳痰，时有发热。患者术前又出现咳嗽、多痰、体温38.1℃。

依据患者病史，应考虑同时患有（）

A.慢性支气管炎

B.急性支气管炎

C.慢性支气管炎急性发作

D.上呼吸道感染

E.哮喘

当代青少年所肩负的历史责任是[ ]

A．努力学习，提高综合素质

B．树立远大理想，实现人生价值

C．争取国家独立.民族解放              

D．实现中 * * 的伟大复兴

（）是对测量所包括的硬件和软件的统称。

A.测量设备

B.测量仪器

C.测量基准

D.测量标准

等温退火的加热温度，亚共析钢一般规定为AC₃+（30~50℃），共析钢和过共析钢为AC₁+（20~40℃），一般采用（）℃作为等温温度，退火结束后出炉空冷。

A、Ar₁-230

B、Ar₁-130

C、Ar₁-30

D、Ar₁