给加点字注音（每词2分，共16分） 匀称（）推崇（）媒介（）惟妙惟肖（） 攒聚（

This is my first day in our new school. In the morning, I help my new teacher Mr. Hu put some new English textbooks into a big box. And then I carry it to the classroom. The box is very heavy.

I walk very slowly(慢) with the big heavy box in my arms.  A boy runs very fast to me. He can’t stop(停止). Oh, dear! My box drops on the floor and there are books everywhere on the floor.

'I’m very sorry.' The boy says again and again. He helps me to pick up(捡起) all the books. He then helps me to carry the books to our classroom.

Who is he? He is my classmate. His name is Jim. He comes to China with his father. He comes from England.

小题1:In the morning, I help ________to carry the box to our classroom.

A．my parents

B．my new classmate

C．my new teacher

D．my good friend Jim小题2:My box drops on the floor because________.

A．I walk very slowly with it

B．I walk very fast with it

C．Jim walks very slowly to me

D．Jim runs very fast and he can’t stop小题3:Jim is new. He is ________.

A．an American boy

B．an English boy

C．a teacher

D．a Chinese boy小题4:Later, ________ carry the box of books to our classroom.

A．Jim and I

B．Jim, Mr.Hu and

C．Mr. Hu and Jim

D．some of my classmate and I小题5:Jim and I are _________.

A．the same age

B．in the same bedroom

C．in the same class

D．Mr. Hu’s workmates

--- Where is Jim?

--- He _________ to the museum. He hasn’t come back.

A．has been

B．had gone

C．has gone

D．had been

下列关于类的说法不正确的是 ( )

A．类是同种对象的集合和抽象

B．类属于Java语言中的复合数据类型

C．类是Java程序中的基本的结构单位

D．类就是对象

水喷雾灭火系统的报警阀应进行（）试验。

A.水压

B.渗漏

C.强度

D.气压

当发现线路轨向不良，其平均值达到（）时，必须设置慢行信号，并采取夯拍道床，填满枕盒道砟和堆高砟肩等措施。

A、6mm

B、8mm

C、10mm

D、12mm