1.选择题- (共11题)
3.利用超声波清洗眼镜说明声波能够传递{#blank#}1{#/blank#}.利用声呐系统向海底垂直发射声波,经2s后收到回波.已知声音在海水中的传播速度为1531m/s,则此处海水的深度为{#blank#}2{#/blank#}m;利用此种方法不能测量地球和月球之间的距离,这是因为{#blank#}3{#/blank#}.
4.利用超声波清洗眼镜说明声波能够传递{#blank#}1{#/blank#}.利用声呐系统向海底垂直发射声波,经2s后收到回波.已知声音在海水中的传播速度为1531m/s,则此处海水的深度为{#blank#}2{#/blank#}m;利用此种方法不能测量地球和月球之间的距离,这是因为{#blank#}3{#/blank#}.
5.生活处处有物理,留心观察皆学问.厨房中也包含着很多物理知识,如:蒸馒头是利用水蒸气{#blank#}1{#/blank#}时要{#blank#}2{#/blank#}热;手拿刚出笼的馒头时,若先在手上沾些冷水,就 不会感到很烫,这是由于{#blank#}3{#/blank#}的缘故.
8.如图 A 所示,用薄塑料片在塑料梳子的齿上划两次,第一次快些,第二次慢些,则第{#blank#}1{#/blank#}次发出的声音的音调高;如图 B 所示,用薄塑料片在甲、乙两把塑料梳子的 齿上用同样的速度划,则在{#blank#}2{#/blank#}梳子上划发出的声音的音调高.
9.如图 A 所示,用薄塑料片在塑料梳子的齿上划两次,第一次快些,第二次慢些,则第{#blank#}1{#/blank#}次发出的声音的音调高;如图 B 所示,用薄塑料片在甲、乙两把塑料梳子的 齿上用同样的速度划,则在{#blank#}2{#/blank#}梳子上划发出的声音的音调高.
10.环戊烷是一种既容易液化又容易汽化的物质,而且环保,一种新型环保电冰箱就是利 用环戊烷代替氟里昂进行工作的.环戊烷在管子里流动,当它流经冷冻室时发生{#blank#}1{#/blank#}现象,并{#blank#}2{#/blank#}热量,使冷冻室的温度降低很多,从而使食品冷冻起来.
11.在探究树荫下光斑的综合实践活动中,为了研究孔的大小对光斑形状的影响.小华设计了四种有不同形状孔的卡片甲,并用另一张卡片乙覆盖在甲上,如图所示.接着,从图示位置沿箭头方向水平移动乙,观察光斑形状的变化情况,下列合乎要求的是( )
2.单项选择- (共10题)
12.
Everybody in the village knew him,so we had his home.
A.no difficulty to find | B.some difficulty finding |
C.some difficulty to find | D.no difficulty in finding |
13.
His idea of having weekly family meal together, which seemed difficult at first,has many good changes in their lives.
A.got through | B.resulted from |
C.turned into | D.brought about |
14.
Last summer, I went back to my hometown, the neighbors and the houses that I used to be familiar with were gone.
A.only finding | B.only to find |
C.to find | D.found |
15.
Having answered the phone,I couldn’t but what would happen next.
A.wondering | B.wondered |
C.wonder | D.to wonder |
16.
When I took his temperature, I found it was two degrees above .
A.average | B.ordinary |
C.common | D.normal |
17.
I toured the Great Wall,I was deeply impressed with the beautiful scenery.
A.For the first time | B.At first |
C.The first time | D.It was the first time |
18.
---Your suit ! Why? ---I got stuck in the rain.
A.has ruined | B.had ruined |
C.has been ruined | D.had been ruined |
19.
Every year, a great many visitors come to visit the temple dating from the l2th century, has brought a large income.
A.which | B.what | C.that | D.when |
20.
Can you believe neither Amy nor Helen from English-speaking countries though they speak English so well?
A.comes | B.come | C.are | D.goes |
试卷分析
-
【1】题量占比
选择题:(11道)
单项选择:(10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:9
7星难题:0
8星难题:1
9星难题:0