阅读理解。 Jim Green has been in China for m

题型:阅读理解

问题:

阅读理解。

     Jim Green has been in China for more than two years. He has been to many interesting places in

Beijing, but he has not yet been to many other parts of China. Last week he went to Mount Emei in

Sichuan Province with his family.

     Many people like to travel by air, but Jim's family think that travelling by train is the best. It is much

cheaper and far more enjoyable than a rushed trip by air.

     Early one moming, they took a taxi to Beijing West Railway Station. The station was very lively.

There were bookshops,food shops and stores selling all kinds of things. Mrs Green bought some fruit,

food and bottles of water to take on the train. She said that it was better toget some food before they

got on the train because food on the train was usually too expensive.

     The train was quite comfortable,and there weren't too many people in their sleeping car. The Greens

could stand up and walk around. It was a long journey, but none of them felt tired. They kept watching

the beautiful scenery out of the window. They walked, laughed and played cards. The conductor kept

coming to offer them hot water and selling them magazines. People nearby talked with each other. A

young man practiced speaking English with Mr Green. Jim thought the train was like a big moving party.

He went to sleep quite late. He listened to the click of the rails and then fell fast asleep.

     When Jim woke up the next morning, the train was already near Chengdu. His train ride seemed really

short, but his memory of the pleasant trip would last long.

1. How long has Jim been in China?

                                                                               

2. Where did Jim go to travel with his family?

                                                                               

3. Why does Jim's family like to travel by train?

                                                                               

4. What did Mrs Green buy before getting on the train?

                                                                               

5. Did the Greens feel tired on the train? Why or why not?

                                                                               

考点:日常生活类阅读
题型:阅读理解

教育社会现象是

题型:阅读理解

在直接刺激试验中,80min后收集十二指肠内容物来测定胰液分泌量及碳酸氢钠浓度,其胰液分泌量和碳酸氢钠浓度的正常值分别是()。

A.>2ml/kg;<90mmol/L

B.<2ml/kg;<90mmol/L

C.>2ml/kg;>90mmol/L

D.2ml/kg;90mmol/L

E.<2mL/kg;>90mmol/L

题型:阅读理解

2010年暑假,小明一家驾车外出旅游,一路上他运用所学的物理知识帮助他解决了不少实际问题.

(1)在经过如图所示的公路交通“标志牌”时,小明马上根据“标志牌”上的18km和40的物理意义,算出了在不违反《交通法规》的前提下,从“标志牌”到上桥的最短时间,请你将小明的运算过程展示出来.

(2)如图所示,在高速公路上为了避免发生汽车追尾事故,交通部门在公路边竖立了距离“确认牌”.从“确认牌”开始,沿路边分别竖立了50m、100m、200m的“标志牌”.小明为了估测所乘汽车的速度,于是他用秒表测出了汽车从“确认牌”到200m的“标志牌”所用的时间为5s,则他所乘汽车的平均速度是多少km/h?如果汽车在高速公路上行驶时,要求最低限速为60km/h,最高限速为120km/h,那么,此时汽车的行驶速度是否符合要求?

题型:阅读理解

影响噪声对机体作用的因素中最重要的是

A.频谱特征

B.声压级大小

C.接触时间

D.接触方式

E.个体敏感性

题型:阅读理解

下面哪种缺陷不是锻造产品中常见的缺陷?()。

A.折叠

B.疏松

C.裂纹

D.白点

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