题目内容

写出下列原电池的化学反应式（-）Pt|Sn 2+(aq), Sn 4+(aq)‖Fe 3+(aq), Fe 2+(aq)|Pt(+)

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在[CrCl6]3-中，Cr的氧化值为________

Exercise VI: 句子翻译(选择) There are two sentences chosen from the text. Choose the best Chinese translation for each sentence. 有两个句子选自课文。为每个句子选择最好的中文译文。1. It also comes in handy having friends to rely on for pep talks during midterms week or long problem sets.

A. 在期中考试周或者长时间做题时，朋友的加油打气还是派的上用场的。
B. 在期中考试周或问题长期集中时，有朋友一起进行鼓舞士气的谈话还是很有用的。
C. 在期中考试周或问题集中时，有朋友鼓舞士气还是很有用的。

2. Since most of us live within two minutes of one another, it’s easy to find a common room or table in the dining hall to take over at 9 p.m for studying.

A. 因为我们大部分人都住在两分钟的路程以内，晚上9 点钟在餐厅找一个饭桌吃饭或学习很容易。
B. 因为我们大部分人住的地方离得不远，2分钟内即可到达，晚上9 点钟在餐厅找一个公用的房间或饭桌学习很容易。
C. 因为我们大部分人都住在两分钟的路程以内，晚上9 点钟在餐厅找一个公用房间学习很容易。

Exercise IV: Fill in the blanks with the words given below. Change the form where necessary. (选词填空，需要时可适当改变词形)consider campusfriendshipimportantcommonexplainrelycomplain1 I’ll _____ it nice and simply so you can understand.2 Fresh fruits and vegetables are _ for us.3 I know I can on you to sort it out.4 You can’t put a price on _ .5 He had very little in _ with his sister.6 He came to _ about the volume of the music.7 Do you like life?8 Money is _______ to be the root of all evils.