1.选择题- (共3题)
2.
一个温度是40℃的铁球，吸收2．3×103J的热量后，温度上升到90℃，求铁球的质量。〔铁的比热容是0．46×103J/(kg·℃)〕
解析：在公式Q吸=cm(t－t0)中，如果已知其中的任意四个物理量，就可以利用方程求出另外的一个，也可以将原公式进行变形，导出一个变型公式，即可求出。
3.
一个温度是40℃的铁球，吸收2．3×103J的热量后，温度上升到90℃，求铁球的质量。〔铁的比热容是0．46×103J/(kg·℃)〕
解析：在公式Q吸=cm(t－t0)中，如果已知其中的任意四个物理量，就可以利用方程求出另外的一个，也可以将原公式进行变形，导出一个变型公式，即可求出。
2.单项选择- (共5题)
4.
When he was there, he ______ go to that coffee shop at the corner after work every day.
| A．would | B．should |
| C．used to | D．might |
5.
He finds his daughter is quite different from ______ she was five years ago.
| A．who | B．what |
| C．how | D．which |
6.
The farmers wondered if vegetables could bring in ______crops.
| A．as many as | B．as good as |
| C．as much as | D．as well as |
7.
—What do you think of French?
—In my opinion, French is ______ English.
—In my opinion, French is ______ English.
| A．a subject so difficult as | B．as difficult a subject as |
| C．as a subject difficult as | D．difficult as subject as |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(5道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：3
7星难题：0
8星难题：2
9星难题：0