部分急性上呼吸道感染患儿早期出现脐周阵痛，这可能与合并（）有关，需与（）鉴别。

My name is Peter. I study in Cambell Middle School. It has a very large building. There are big playgrounds on two sides and a beautiful garden in front.

In the building, there is the headmaster’s room, the teacher’s rooms and thirty-four classrooms. We also have two labs（实验室） and a library in the building. Our library is on the ground floor. It has books almost （几乎）on all subjects. It opens after school from Monday to Friday.

Our school has uniforms（校服）. Boys wear white shirts and blue trousers. Girls wear white blouses and blue skirts. We all wear black shoes and white socks.

We study English, Maths, History, Biology, Music and PE at school. My favourite subject is Biology. I think it is fun. Our teachers are nice to us. They check（检查） our homework and help us when we need. I love my school and my teachers.

小题1:How does the building look?

A．It’s very beautiful.

B．It’s very small.

C．It’s very large.

D．It’s very clean.小题2:Where is the garden?

A．The garden is in front of the building.

B．The garden is beside the building.

C．The garden is behind the building.

D．The garden is in the front of the building.小题3:How often does the library open?

A．The library opens two times a week.

B．The library opens three times a week.

C．The library opens four times a week.

D．The library opens five times a week.小题4:What does a girl wear at school?

A．A white shirt and blue trousers.

B．A white shirt and black trousers.

C．A white blouse and a blue skirt.

D．A white blouse and a black skirt.小题5:Which of the following is NOT true?

A．Peter studies six subjects at school.

B．Biology is Peter’s favourite subject.

C．There are lots of books in the library.

D．Their teachers are very fun.

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直接金融借助于直接金融工具完成，下列属于直接金融工具的有______。

A．政府债券

B．公司债券

C．银行债券

D．人寿保险单

E．非金融公司股票

发生脱位率最高的关节是（）

A.肩关节

B.肘关节

C.髋关节

D.膝关节

E.骶髂关节

焊机外壳必须装设保护接地或保护接零线，而且接地要牢靠。（）