.An idea me it was very difficult for a

阅读理解。

     This is a picture of my bedroom. It's a nice room. A football is behind the door. My desk is near the

window. You can see a chair behind the desk. You can see some books and flowers on it. My English

books are in my backpack. The bag is behind the chair.

1. It's a picture of _____.

A. my family

B. my bedroom

C. my school

2. My football is _____.

A. behind the door

B. near the door

C. behind the desk

3. The desk is _____.

A. on the bed

B. behind the chair

C. near the window

4. We can see some _____ on the desk.

A. English books

B. books and flowers

C. schoolbags

5. The English books are _____.

A. on my desk

B. on the floor

C. in my backpack

1971年9月22日，美国和日本等国家提出：“（一）兹确认中华人民共和国的代表权，并且建议它得到安全理事会常任理事国之一的席位；（二）确认；（三）建议联合国一切组织和专门机构在决定中国代表权时考虑本决议的条款。”这一“决议草案”主要反映了美日[ ]

A．尊重联合国国际组织的权力和地位    

B．反对中华人民共和国和台湾同时参加联合国    

C．主张恢复新中国在联合国的合法席位    

D．反对中华人民共和国取代台湾在联合国的席位

变电所中电气设备与工频电压的绝缘配合原则是哪些？（）

A.工频运行电压下，电瓷外绝缘的爬电距离应符合相应环境污秽等级的爬电比距要求

B.电气设备应能承受一定幅值和时间的工频过电压

C.电气设备与工频过电压的绝缘配合系数取1.15

D.电气设备应能承受一定幅值和时间的谐振过电压

风机轴承测点温度偏高的原因分析及相应的处理措施？

一般选用柴油机燃油的十六烷值为（）之间。

A、0-20

B、40-60

C、80-100