下列说法中正确的是( ) A.物体的温度升高时,内能增加 B.物体的温度升高时,

题型:选择题

问题:

下列说法中正确的是(  )

A.物体的温度升高时,内能增加

B.物体的温度升高时,内能减小

C.物体的运动速度增大时,内能增加

D.物体举得越高,内能越大

考点:温度、热量与内能的关系
题型:选择题

阅读理解。

     December 25th is Christmas Day. In Western countries it is the most important day in the year. All the

people come back to their homes and have the day with their parents or their children. On Christmas Day

bells ring everywhere. The ringing bell tells people Christmas is coming. People sing and dance day and night.

They have a good time.

     Most families buy Christmas trees for their children. And there are some presents hanging from the trees

here and there. On Christmas Eve children are very happy. They put stockings at the end of their beds so

that their parents can put presents in them. In many places, Father Christmas brings presents to them. He is

a kind man in red clothes. There is a big bag on his back. In it there are a lot of presents.

根据短文内容判断下列正(T)误(F)。

( ) 1. In Western countries December 25th is the most important day because it is Christmas Day.

( ) 2. The day before December 25th, the bells ring here and there.

(     ) 3. Parents usually buy Christmas trees and put all presents under them.

(     ) 4. On Christmas Eve, children usually put their stockings at the end of their parents' beds.

(     ) 5. Father Christmas often wears red clothes with a big bag on his back.

题型:选择题

根据句意及首字母提示,完成下列单词拼写。

1. Do you like drinking m__________?

2. Please t__________this sentence into Chinese.

3. I'm a student. I'm in Class One, G__________ One.

4. Do you often eat j__________food?

5. My favorite p__________is the CCTV news.

题型:选择题

99mTc性质正确的是()

A.发射140KeV的单能γ射线

B.无β射线

C.可与各种配基结合,进行多种脏器显像

D.半衰期较长,一次注射后可以在一周内多次重复显像

E.广泛用于核素治疗

题型:选择题

男性,65岁,诉“心口处”疼痛不适伴乏力两个月,一周前大便颜色发黑一次。曾服用解痉、抗酸类药物效果不肯定。既往无类似病史。除上腹剑突下深压痛外,无阳性所见。血常规示血红蛋白95 g/L。此病人应首先考虑下列哪种疾病

A.十二指肠溃疡
B.胃溃疡
C.胃癌
D.慢性胃炎
E.应激性溃疡

题型:选择题

在教师的组织和引导下,学生从好奇心及兴趣出发,通过实验、实践,用所学的知识去解决问题、验证原理或尝试相关知识的综合性学习方式称为()。

A.自主性学习方式

B.接受性学习方式

C.探究性学习方式

D.合作性学习方式

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