happy 高兴 → unhappy 不高兴，不开心 mask 面具 →unmask 打开，揭开
consciously 有意识的 →unconsciously 无意识的
2. Translate the following sentences into English.
1） Using words or phrases from the text. （1）他们以前自以为是天下最好的父母。
They used to think of themselves as the best parents. （2）你能不能换个方式说？孩子们不太明白你的意思。
Could you say （put） it in a different way? The children didn't
quite understand you.
（3）骑自行车去那儿大约要用两小时。
It will take about 2 hours to reach/get there by bike. （4）请务必使孩子们在9点之前上床睡觉。
Please see to it that the children go to bed before 9. （5）你知道我们公司因为你不称职而付出了多少钱吗？
Do you know how much our company have paid for your incompetence ? （6）两国在危机（crisis）期间保持着密切的联系。
The two countries maintained close contact with each other
throughout the crisis.
（7）你打算怎么处置这些书？
What do you plan to deal with/do with these books? （8）我们的解释只能使他更加生气。
Our explanation would only add to his anger. （9）他在成功之前经历了许许多多的困难。
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He has gone through many difficulties before his success.
（10）经过几次尝试，那位年轻人终于成功地飞越了大西洋。
The young man succeeded in flying across the Atlantic, after he
had tried several times.
2） Using Verb Pattern 22.
（1）她向我们保证她一定会来。
She promised to us that she would come.
she promised us that she would surely come. 2)我已经提醒了他我们晚上8点见面。
I have reminded him that we will meet at 8:00 in the evening. 3）.我告诉他我已经通过了期末的所有考试
He told me that he had passed all the end-term examinations. 4）.我父亲经常告诉我知识就是力量
My father often tells me that knowledge is power. 5）.她父母无法说服她，让她自己相信她的决定错了。
Her parents couldn’t convince her that her decision was wrong