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【简答题】
Multimedia is the combination of computer and video technology. Multimedia is really just two media sound and pictures, or in today’s term, audio and video. Multimedia itself has its binary aspects. As with all modern technologies, it is made from a mix of hardware and software, machine and ideas. More importantly, you can conceptually divide technology and the function of multimedia into control systems and information.
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【单选题】So difficult did I find ___ to work out the problem that I decided to ask my partner for help.
A.
myself
B.
us
C.
it
D.
that
【简答题】（6分）⑴ 从能源是否可以循环再生的角度看，可以将能源分为可再生能源和不可再生能源，譬如 就是不可再生能源。日益严峻的能源危机促进了可再生能源的研究。有专家提出：如果能够利用太阳能使燃料燃烧产物，如CO 2 、H 2 O、N 2 等重新组合（如图），可以节约燃料，缓解能源危机。在此构想的物质循环中太阳能最终转化为 能。 ⑵ 试根据图所示写出氨气作为燃料燃烧的化学方程式： 。 ⑶ gCH 3 OH（...
【单选题】I gave up after a while and drifted. I couldn’t understand why it was so difficult. I was bitter.
A.
试了一段时间以后我放弃了,然后开始漂流。我不明白为什么数学这么难。我很忐忑。
B.
我放弃了一会儿,开始四处游荡,希望数学不要这么难,我很痛苦。
C.
试了一段时间以后我放弃了,陷入无所事事的状态。我搞不懂为什么数学这么难。我很苦闷。
【简答题】可再生能源是指原材料可以再生的能源，列举你知道的可再生能源?
【单选题】The task is so difficult that I have to spend accomplishing it.
A.
sometime
B.
sometimes
C.
some times
D.
some time
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