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阅读理解 Did you feel it was warmer than before ? There have been warm winter in China since 1986, said scientists. China  needs to take quick action to cut carbon dioxide (二氧化碳)           emission(排放)because it's the main reason for global(全球)warming. The    good news is that China has seen the importance of going green .Can you       slow glogal warming ? Sure ! You and your family can take steps to cut the amount of carbon dioxide we send out into the air .Here are some pieces of advice to help save the earth. Wear used clothes. Wearing your brother's, sister's or dad's old T-shirt      means you save the energy(能源). Change your light bulbs(灯泡). Use           energy-saving light bulbs. And don't forget to turn off the lights when you      leave a room and turn off your television and computer when they are not in use! Ride the bus. Taking a bus saves a lot of oil every year. Say no to plastic bags. The next time your parents go to the market, ask them to use baskets.   Open a window. Don't use the air conditioner, and let some fresh air in.       When you have to use the conditioner, set the temperature higher in the          summer and lower in the winter to save energy. Make small changes in your  daily life. Don't use paper cups, bags and boxes. It's time f or all of us to do    something to save the earth. 1. The main reason for global warming is ___________. A. the oil B. carbon dioxide C. paper cups, bags and boxes D. televisions and computers 2. The word ' amount ' in the second paragraph means '__________'. A. 体积 B. 面积 C. 总量 D. 重量 3. How many pieces of advice are there in this passage? A. Three. B. Four. C. Five. D. Six. 4. Which of the following is TRUE? A. It's a pity(可怜)to wear your dad's old T-shirt. B. Using air conditioners may be a waste of energy. C. Taking a bus wastes a lot of oil every year. D. Using paper bags saves energy a lot 5. The passage is mainly about the ways to _______. A. slow down global warming B. make energy C. change our daily life D. change the world weather
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【单选题】在 MCS-51 系统中,若晶振频率为 6MHz ,一个机器周期等于 ( ) μ s
A.
2
B.
3
C.
1
D.
0.5
【简答题】一棵二叉树结点的前序序列为A、B、D、E、G、C、F、H、I,对称序序列为D、B、G、E、A、C、H、F、I,则该二叉树结点的后序序列为________。
【多选题】假设本案的一审法院判决奥莱公司败诉,且奥莱公司提出上诉。二审法院在什么情况下可以裁定撤销原判、发挥重审?( )
A.
一审判决认定的事实不清,证据不足
B.
一审判决适用法律有错误的
C.
审理本案的审判人员具有应当回避的情形,没有回避的
D.
一审合议庭未经开庭审理就作出判决的
【单选题】第12和13题基于下面的叙述: 某二叉树结点的前序序列为A、B、D、C、E、F,对称序序列为D、B、A、E、C、F。 该二叉树结点的后序序列为( )。
A.
B、D、C、A、F、E
B.
B、D、C、F、A、E
C.
E、F、A、C、D、B
D.
D、B、E、F、C、A
【单选题】下列常用机械传动中,一般来说,圆周速度最高,且传动最平稳的是 。
A.
V带传动
B.
一般精度圆柱齿轮传动
C.
圆柱和圆锥齿轮传动
D.
蜗杆传动
【简答题】地壳中含量最多的元素和地壳中含量最多的金属元素组成的化合物的化学式为______.
【单选题】下列问题基于下面的叙述;某二叉树节点的前序序列为E、A、C、B、D、G、F,对称序序列为A、B、C、D、E、F、G。 该二叉树节点的后序序列为______。
A.
B、D、C、A、F、G、E
B.
B、D、C、F、A、G、E
C.
E、G、F、A、C、D、B
D.
E、G、A、C、D、F、B
【单选题】在MCS-51系统中,若晶振频率为6MHZ,则一个及其周期等于 us
A.
1
B.
2
C.
4
D.
0.5
【简答题】材料四 工业革命之后,西方社会贫富悬殊拉大,劳动者要求改善劳动和生活条件的呼声逐日高涨。为此,发达国家推行了一系列社会保障政策,以使贫困人口和由于各种原因丧失劳动能力的人得到最低的生存保障。这一制度被称为“福利国家”制度。二战以后, “福利国家”在西欧日渐完美,在很大程度上起了稳定社会情绪的作用。这样的“福利国家”必然占用相当大的财政预算,而人民对福利政策不仅已经习惯,而且不嫌其多,只嫌其少。至8...
【单选题】()谈判进行了一揽子的国际贸易谈判,决定建立世界贸易组织。
A.
东京回合
B.
乌拉圭回合
C.
肯尼迪回合
D.
日内瓦回合
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