1.选择题- (共13题)
1.物理学中把物质{#blank#}1{#/blank#}的质量叫做密度．一瓶水凝固成冰，冰的质量{#blank#}2{#/blank#}水的质量，冰的体积{#blank#}3{#/blank#}水的体积（后两空均选填“大于”、“等于”或“小于”）．（冰的密度为0.9×103千克/米3）
4.密度与我们的社会生活联系十分紧密：在新材料的选择上，科学家们一般都选择高强度、{#blank#}1{#/blank#}（选填“高”或“低”）密度的合金、玻璃钢等复合材料作为航空器材；在我国北方的楼房中都装有暖气，这种用水作为介质的暖气片，一般都安装在窗户的{#blank#}2{#/blank#}（选填“上方”或“下方”）．
6.平时习惯于讲“大人比小孩重”和“水比油重”中，前一个“重”是指大人比小孩的{#blank#}1{#/blank#}大，后一个“重”是指水比油的{#blank#}2{#/blank#}大．
7.平时习惯于讲“大人比小孩重”和“水比油重”中，前一个“重”是指大人比小孩的{#blank#}1{#/blank#}大，后一个“重”是指水比油的{#blank#}2{#/blank#}大．
8.装在烧杯中的水被倒出一部分后，烧杯中剩余水的密度{#blank#}1{#/blank#}密封在容器中一定质量的气体被抽出一部分后，容器中剩余气体的密度{#blank#}2{#/blank#}．装满水的玻璃瓶中的水结冰后会使玻璃瓶破裂，由水变成冰的过程中密度{#blank#}3{#/blank#}（选填“变大”、“变小”或“不变”）．
9.装在烧杯中的水被倒出一部分后，烧杯中剩余水的密度{#blank#}1{#/blank#}密封在容器中一定质量的气体被抽出一部分后，容器中剩余气体的密度{#blank#}2{#/blank#}．装满水的玻璃瓶中的水结冰后会使玻璃瓶破裂，由水变成冰的过程中密度{#blank#}3{#/blank#}（选填“变大”、“变小”或“不变”）．
10.装在烧杯中的水被倒出一部分后，烧杯中剩余水的密度{#blank#}1{#/blank#}密封在容器中一定质量的气体被抽出一部分后，容器中剩余气体的密度{#blank#}2{#/blank#}．装满水的玻璃瓶中的水结冰后会使玻璃瓶破裂，由水变成冰的过程中密度{#blank#}3{#/blank#}（选填“变大”、“变小”或“不变”）．
11.装在烧杯中的水被倒出一部分后，烧杯中剩余水的密度{#blank#}1{#/blank#}密封在容器中一定质量的气体被抽出一部分后，容器中剩余气体的密度{#blank#}2{#/blank#}．装满水的玻璃瓶中的水结冰后会使玻璃瓶破裂，由水变成冰的过程中密度{#blank#}3{#/blank#}（选填“变大”、“变小”或“不变”）．
12.装在烧杯中的水被倒出一部分后，烧杯中剩余水的密度{#blank#}1{#/blank#}密封在容器中一定质量的气体被抽出一部分后，容器中剩余气体的密度{#blank#}2{#/blank#}．装满水的玻璃瓶中的水结冰后会使玻璃瓶破裂，由水变成冰的过程中密度{#blank#}3{#/blank#}（选填“变大”、“变小”或“不变”）．
13.目前世上最轻的固态材料是“碳海绵”，其性能有：对有机溶剂（如油）有超强的吸附力；具有超强的储电能力；放在温度为﹣196℃的液氮中，弹性依然；有很多空隙，可以做保温材料；能达到的最小密度为0.16mg/cm3．下列关于“碳海绵”的说法，不正确的是（ ）
2.单项选择- (共12题)
14.
My seat is next to _____ of the famous writer so I could ask for some advice from him about writing.
| A．that | B．this | C．it | D．one |
15.
All those second-hand cars are sold at before
| A．40％as lower price as | B．40％as low a price as |
| C．as 40％low price as | D．40％lower price than |
16.
Did Jack take the doctor’s advice that he ________ in bed for a couple of days?
| A．lies | B．lay | C．lie | D．laid |
17.
A new virus related to SARS is reported______ at least one person in China last week.
| A．to kill | B．to be killing | C．to have killed | D．kill |
18.
In the reading room, we found her ________ at a desk, with her attention ________ on a book.
| A．seating; fixing | B．seated; fixed |
| C．sitting; fixing | D．to sit; fixed |
19.
Over the past decades, sea ice _______ in the Arctic as a result of global warming.
| A．had decreased | B．decreased |
| C．has been decreasing | D．is decreasing |
20.
As a new graduate, he doesn’t know _______ it takes to start a new business.
| A．how | B．what | C．when | D．which |
22.
---Tom is such a stupid student that he had failed in every exam.
---Sorry, I won’t agree. He is ________ than stupid.
---Sorry, I won’t agree. He is ________ than stupid.
| A．lazier | B．no lazier | C．more lazy | D．lazier rather |
23.
----Mum, I’m afraid I won’t do well in the coming test.
----Honey, ____ more careful, ____ you will make it.
----Honey, ____ more careful, ____ you will make it.
| A．is, so | B．be, and | C．be, then | D．being, and |
24.
_______ difficult and challenging the task may be, we must finish it on time, because there is a possibility _______our work will go down in history.
| A．Whatever; that | B．However; as |
| C．Whatever; which | D．However; that |
试卷分析
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【1】题量占比
选择题:(13道)
单项选择:(12道)
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【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：12
7星难题：0
8星难题：0
9星难题：0