1.选择题- (共6题)
5.
一个质量为250g的钢刀,加热到56 0℃,然后在空气中自然冷却,室温为20℃,这把钢刀在冷却过程中放出多少热量?若把这些热量给30℃0.5kg的水加热,水温可以上升多少度?升高到多少度?(c钢=0.46×103J/(kg·℃)
6.
一个质量为250g的钢刀,加热到56 0℃,然后在空气中自然冷却,室温为20℃,这把钢刀在冷却过程中放出多少热量?若把这些热量给30℃0.5kg的水加热,水温可以上升多少度?升高到多少度?(c钢=0.46×103J/(kg·℃)
2.单项选择- (共6题)
7.
Soon after he left the hotel he was lost. So he decided to ask for ___________.
Soon after he left the hotel he was lost. So he decided to ask for ___________.
A.purposes | B.directions | C.approaches | D.destinations |
8.
.China is seeking ________ access to ________ more friendly environment in economic development between the United States.
.China is seeking ________ access to ________ more friendly environment in economic development between the United States.
A.an; a | B.an; the | C./; a | D.the; / |
9.
. ---Isn’t it time you __________down to _________ your own things?
---I’m sorry for the delay, Dad.
. ---Isn’t it time you __________down to _________ your own things?
---I’m sorry for the delay, Dad.
A.get; pack | B.got; packing | C.got; pack | D.get; packing |
11.
. There is such an occasion ___________ we know lots of words, but we can’t choose a suitable one to express ourselves.
. There is such an occasion ___________ we know lots of words, but we can’t choose a suitable one to express ourselves.
A.where | B.when | C.which | D.what |
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(6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:0
7星难题:0
8星难题:5
9星难题:1