为了探究小球自由下落时的运动,某物理实验小组的同学用照相机每隔相等的时间自动拍照一次

题型:问答题

问题:

为了探究小球自由下落时的运动,某物理实验小组的同学用照相机每隔相等的时间自动拍照一次,拍下小球下落时的运动状态,如图甲所示.

可以看出小球在做()直线运动(选填“匀速”或“变速”),其理由是().

考点:教师招聘考试中学教师招聘笔试教师公开招聘考试中学物理
题型:问答题

It was a beautiful spring morning. There wasn’t a cloud in the sky, and the sun was warm but not too hot. Mr. White saw an old man at the bus stop with a big and black umbrella in his hand.

Mr. White said to him, “Do you think it’s going to rain today?”

“No,” said the old man, “I don’t think so.”

“Then are you carrying the umbrella because the sun is too hot?”

“No, the sun is not very hot in spring.”

Mr. White looked at the big umbrella again, and the man said, “I am old man, and my legs are not very strong. I must have a walking-stick. But people will say, ‘Look, the man is so old, and I don’t like that.’ When I carry an umbrella in fine weather, people only say, ‘look at that stupid man.’”

小题1:The story happened         .

A.in a rainy day

B.in the afternoon

C.on a cloudy morning

D.at a bus stop小题2:It was a very        day.

A.hot

B.bad

C.fine

D.cloudy小题3:There was         in the old man’s hand.

A.an umbrella

B.a walking-stick

C.a bag

D.a magazine小题4:There was something wrong with the old man’s             .

A.head

B.arms

C.legs

D.feet小题5:Which is TURE according to(根据)the story?

A.The old man liked the weather.

B.The old man thought that it was going to rain.

C.The old man was too old to walk by himself.

D.The old man wanted people to say he was stupid.

题型:问答题

下列物质属于复合材料的是(  )

A.镀锌钢管

B.玻璃钢

C.冰箱保鲜膜

D.石英玻璃

题型:问答题

患者女,82岁,外伤后出现左肩疼痛,肿胀,伴有肩部活动障碍,肘关节及腕关节活动正常。

来院急诊就诊后需要进行的初步检查是()

A.肩关节正位、轴位及肩胛骨切线位

B.肩关节CT平扫

C.肩关节MRI

D.肩关节造影

E.肩关节核素扫描

题型:问答题

2011年国务院召开第七次全国环保大会把()作为经济社会发展的约束性指标。

A.汽车尾气减排

B.主要污染物减排

C.工厂烟尘减排

D.燃料燃烧减排

题型:问答题

在建工程达到预定可使用状态前试运转所发生的净支出,应当计入营业外支出。( )

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