1.单选题- (共9题)
A.4mol H2中含8mol氢 |
B.1mol磷酸(H3PO4)的质量为98克/摩尔 |
C.0.5mol H2O2中含有1mol O2 |
D.等质量的O2和O3中所含氧原子的物质的量相同 |
A. 水沸腾时可掀起壶盖——水分子大小随温度升高而增大
B. 一氧化碳可燃、氧气助燃——不同分子的化学性质不同
C. 河面上的水结成冰后不再流动一一水分子停止运动
D. 水通电生成氢气和氧气——水中含有氢分子和氧分子
2.选择题- (共7题)
阅读理解
Exploit your parking space
An unused parking space or garage can make money. If you live near a city center or an airport, you could make anything up to£200 or£300 a week. Put an advertisement for free on Letpark or Atmyhousepark
Rent a room
Spare room? Not only will a lodger(房客)earn you an income, but also, thank to the government-backed "rent a room" program, you won't have to pay any tax on the first£4500 you make per year. Try advertising your room on Roomspare or Roommateeasy.
Make money during special events
Don't want a full-time lodger? Then rent on a short-term basis. If you live in the capital, renting a room out during the Olympics or other big events could bring in money. Grashpadder can advertise your space.
Live on set
Renting your home out as a "film set" could earn you hundreds of pounds a day, depending on the film production company and how long your home is needed. A quick search on the Internet will bring up dozens of online companies that allow you to register your home for free—but you will be charged if your home gets picked.
Use your roof
You need the right kind of roof, but some energy companies pay the cost of fixing solar equipment (around£14,000),and let you use the energy produced for nothing. In return, they get paid for unused energy fed back into the National Grid. However, you have to sign a 25-year agreement with the supplier, which could prevent you from changing the roof.
根据短文内容,请将单词填写在题号对应的横线上。
阅读理解
Exploit your parking space
An unused parking space or garage can make money. If you live near a city center or an airport, you could make anything up to£200 or£300 a week. Put an advertisement for free on Letpark or Atmyhousepark
Rent a room
Spare room? Not only will a lodger(房客)earn you an income, but also, thank to the government-backed "rent a room" program, you won't have to pay any tax on the first£4500 you make per year. Try advertising your room on Roomspare or Roommateeasy.
Make money during special events
Don't want a full-time lodger? Then rent on a short-term basis. If you live in the capital, renting a room out during the Olympics or other big events could bring in money. Grashpadder can advertise your space.
Live on set
Renting your home out as a "film set" could earn you hundreds of pounds a day, depending on the film production company and how long your home is needed. A quick search on the Internet will bring up dozens of online companies that allow you to register your home for free—but you will be charged if your home gets picked.
Use your roof
You need the right kind of roof, but some energy companies pay the cost of fixing solar equipment (around£14,000),and let you use the energy produced for nothing. In return, they get paid for unused energy fed back into the National Grid. However, you have to sign a 25-year agreement with the supplier, which could prevent you from changing the roof.
根据短文内容,请将单词填写在题号对应的横线上。
阅读理解
New York Time—A gunman killed eight people at a mall in Omaha this afternoon and then killed himself, setting off panic among holiday shoppers, the police said.
"The person who we believe to be the shooter has died from self-inflicted gunshot wounds," Sergeant Teresa Negron of the Omaha Police Department said at televised news." We have been able to clear the mall," she said." We don't believe we have any other shooters." The police said that at least five other people had been injured in the shootings.
She did not give the shooter's identity." We are still conducting the investigation," Sergeant Negron said, adding that the city's mayor, who was out of town, was on his way back to Omaha.
She said the police received a 911 call from someone inside the Westroads Mall on the west side of Omaha, and shots could be heard in the background. The first police officers arrived at the mall six minutes after the first call, she said but by then the shootings were over.
It is reported that the gunman left a suicide note that was found at his home by relatives. A law enforcement official who spoke on condition of anonymity(匿名)said the note indicated that the gunman wanted to "go out in style."
The shootings broke the usually ordinary routine of holiday shopping. The gunman was said by some witnesses to have fired about 20 shots into a crowd. Some customers and workers ran screaming from the mall, while others dived into dressing rooms to hide from the shooter.
Shoppers and store workers were trapped inside the mall, which has roughly 135 stores. Others streamed out of mall exits with their hands raised. President Bush was in Omaha this morning to deliver a speech, but he had left the city by the time the shootings took place.
根据短文内容,请将单词填写在题号对应的横线上。
3.多选题- (共1题)
4.填空题- (共4题)
(1)以游离态存在且具有可燃性的气体是 。
(2)可充入霓虹灯的气体是 。
(3)会引起酸雨的气体是 。
(4)易与人体血红蛋白结合的有毒气体是 。

(1)t1℃时,甲、乙、丙三种物质的溶解度由小到大的顺序是 。
(2)t2℃时,将25g甲固体放入30g水中,充分搅拌,所得溶液的溶质质量分数是 %。
(3)t3℃时,将三种物质各mg分别加入100g水中,充分溶解后,只有一种能形成饱和溶液,则m的取值范围是 。
(4)将t1℃时甲、乙、丙三种物质的饱和溶液升温至t3℃,溶质质量分数最大的物质是 。
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【1】题量占比
单选题:(9道)
选择题:(7道)
多选题:(1道)
填空题:(4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:2
7星难题:0
8星难题:6
9星难题:6