挖掘机上下斜坡时铲斗离地的距离为()。 A.0~100mm B.100~200mm

题型:单项选择题

问题:

挖掘机上下斜坡时铲斗离地的距离为()。

A.0~100mm

B.100~200mm

C.200~300mm

D.300~400mm

考点:挖掘机工考试挖掘机工考试题库
题型:单项选择题

阅读理解。

     Mr Green is a teacher. His only son, Bill, is a student. He is twelve. The child likes to fly kites and play some

other games. One Monday afternoon, Bill flies kites with his friends after school. But Bill's kite is in the tree. and

he can not get it. Bill and his friends do not know what to do. They worry very much and Bill goes to his father

for help. His father wants to get the kite down from the tree, but he can't. So Bill asks him to make a new one for

him.The man makes a new kite. When the boy gets the new kite, he is very glad. He thanks his father for the kite

and goes out to play with his friends.

1 .How many children are there in Mr Green's family?    

A. Two            

B. One            

C. Three          

D. We don't know

2 .Bill likes to ________.  

A. play other games                

B. fly kites only

C. make kites                        

D. play games

3.One day_______.  

A. Bill finds a kite in a tree            

B. Bill's kite is broken and it is in the tree

C. Bill's friends mend his kite        

D. Bill makes a kite for his friends

4 .Bill is glad because________.     

A. he helps his friends get the kite down from the tree

B. his friends do not know what to do

C. his father helps him get him get the kite down

D. Mr Green makes a new kite for him

5.From the text we can see_____.

A .Bill can not get the kite down but his friends don't' worry very much

B. Bill's father can not get the kite down, so he makes a new kite

C. Mr Green can not get the kite down and wants to make a new one for Bill

D. Bill's friends break the kite and help Bill make a new one.

题型:单项选择题

下图为我国某地区正常年份地下潜水位年变化示意图,读图完成下列问题。

小题1:该地区最可能是(   )

A.云贵高原

B.松嫩平原

C.长江中下游平原

D.黄淮海平原小题2:该地区7、8月潜水位较低,原因是(    )

A.受准静止锋控制

B.受副热带高压控制

C.受气旋控制

D.处于夏季风背风坡小题3:当该地区地下潜水接受补给最多时,叙述正确的是(    )

A.北印度洋季风洋流呈逆时针方向流动

B.巴西热带草原一片葱绿,生机勃勃

C.我国江淮地区正是梅子成熟的季节

D.我国北方地区出现沙尘暴天气

题型:单项选择题

除病史和临床表现外,以下哪一项是区分静脉性和淋巴性水肿的最有效手段( )

A.CT
B.MRI
C.血管造影
D.淋巴管造影
E.放射性核素淋巴造影

题型:单项选择题

按照所要测量的特征,测验可分为()。

A.创造力测验

B.认知测验

C.人格测验

D.神经心理测验

题型:单项选择题

从生后脐带结扎到满28天,称为()

A.胎儿期

B.围生期

C.新生儿期

D.婴儿期

E.幼儿期

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