油品的粘度指数越高说明（）。 A.油品粘度随温度变化越大，粘温特性越好 B.粘度随温

阅读理解。

     Tom was eight years old. He was a good boy. But he couldn't get up early. He slept untile nine or ten

o'clock in the morning. He was often late for school.

     Tom's mother didn't want him to be late for school. So she bought him an alarm clock. She said to

Tom, "You must get up when you hear the clock ring."

     "Yes, Mum," said Tom. After that Tom got up at seven thirty when he heard the clock ring.

     One day his mother forget to make the clock get ready to ring. And the next morning Tom didn't get up

at seven thirty. It was time for breakfast. Mother went to see him. Tom was in bed and his eyes open.

     "Why didn't you get up?" Mother was angry.

     "You told me to get up when I heard the clock ring. So I am waiting for the bell."

1. Tom was a           . [ ]

A. teacher

B. student

C. worker

2. Tom's mother bought him a clock because           . [ ]

A. he couldn't get up on time

B. it was very beatiful

C. it was Tom's birthday that day

3. The clock rang at            . [ ]

A. 6:30

B. 7:00

C. 7:30

4. What happened that day? [ ]

A. The clock was broken

B. Tom was ill

C. The clock didn't ring

5. Tom didn't get up on time that day because he            . [ ]

A. was waiting for the bell

B. didn't want to go to school

C. didn't want to have breakfast

下面短文中有10处语法错误。请在有错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个漏字符号（∧）,并在其下面写上该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

注意：1.每处错误及其修改均仅限一词；

2.只允许修改10处，多者（从11处起）不计分。

One rainy day while I was walking home with one of my friend, a trunk came

friends

to a stop besides us. The driver put the window down and offered us a unbrella

beside                                           an

because he found we were wet through. I stood there and couldn’t believe in

i\n

that a complete stranger is so thoughtful. The man insisted, so I grateful

was                           gratefully

accepted the offer, thanked him and watched the truck disappear down the road.

This man might need the umbrella himself, and he preferred to give it to

but

everyone else. It was a lesson to us that it was possible ∧give without expect

someone/somebody                             to        expecting

anything in return.

患儿3岁。症见高热，面赤，四肢抽搐，牙关紧闭，两目上视。其证候是

A．热极动风证

B．血虚生风证

C．阴虚动风证

D．肝阳化风证

E．肝火上炎证

牙周疾病流行特征术包括

A．地区分布

B．时间分布

C．城乡分布

D．年龄分布

E．微生物种群分布

MG300型等采煤机截割部采用安全螺栓剪切保护。（）