读短文,判断下列句子正误,对的打“√”,错的打“×”。 I have a ne

题型:阅读理解

问题:

读短文,判断下列句子正误,对的打“√”,错的打“×”。

      I have a new friend. Her name is Sue, she lives in the US. Her father works in a hospital. He is a doctor. He

goes to work by car. Her mother is a worker. She works in a factory. She goes to work by bike. Sue and her

brother Jim are all students. She goes to school on foot. Jim does the same. Every evening she listens to music.

Her brother watches cartoons on TV. Sue usually plays at the park on Sunday. Jim usually makes planes.

( ) 1. Sue lives with her family in the US.

( ) 2. Her mother works in a hospital.

( ) 3. Her father goes to work by bike.

( ) 4. Jim likes making planes.

( ) 5. Every evening Sue watches cartoons on TV.

考点:阅读能力
题型:阅读理解

《马比丘 * * 》比《雅典 * * 》有哪些改进?

题型:阅读理解

胶体区别于其它分散系的本质特征是

A.胶体的分散质能通过滤纸空隙,而浊液的分散质不能

B.产生丁达尔现象

C.分散质粒子直径在1nm~100nm之间

D.胶体在一定条件下能稳定存在

题型:阅读理解

拉弯的弓将箭射出去,撞在网球拍上的网球被弹回去,压弯的跳板将跳水运动员弹起………

(1)这些事例涉及到的共同物理知识是                                   

(2)小明看到跳水运动员被跳板高高弹起,思考“弹力的大小跟哪些因素有关”的问题,

并提出猜想一:弹力的大小与形变量有关,

猜想二:弹力的大小与长度有关,

(3)小明找来钢锯片、弹簧测力计、台钳来验证猜想一,用同一钢锯片按下图从左到右顺序做的三次实验(将钢锯片夹在台钳内,钢锯片形变量用末端侧移量表示,钢锯片长度用L表示)

请对小明的实验过程进行评估:                                         

(4)小明又正确探究了弹力与钢锯片长度的关系,记录数据如下表:

实验次数形变量x/cm长度L/cm弹力F/N
12150.48
22200.22
32250.12
 

分析实验数据,可得出结论:                                            

题型:阅读理解

肺纤维化X线表现中错误的是()

A.一般不伴有肺气肿

B.一般为整个肺野受累,且为两侧

C.可见异常线状、网状、小颗粒状阴影

D.肺血管内径及轮廓不整

E.有时伴发肺气囊和气胸

题型:阅读理解

试述《维规》规定钢轨锈蚀达到重伤的标准是什么?

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