当前，红色影视剧创作成为一种文化热点和文化时尚。“红色经典”的改编必须坚守一个基本的前提，那就是尊重原作的基本内涵、时代背景、主要情节，在此基础上，实现精神视野的拓展与艺术观念的更新。这要求创作者在改编“红色经典”时，必须处理好（ ）

完形填空：阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中选出可以填入空白处的最佳选项。
    John entered a college and often worked late until 12 at night. He fell into the 1 of smoking a year ago. He smoked so much that he 2 had a cigarette on his lips. He 3 while he read, while he watched television and 4 while he drank a cup of coffee or tea. He smoked nearly forty cigarettes a day, but he was 5 about it.
    John's friend, Frank, 6 many times to 7 him not to smoke. “Smoking is bad for your 8!” he said, “You'd better give it up. ” But his advice didn't  9.
    Before long, John 10 that he often got a bad cough, 11 he went to see a doctor. The doctor 12 him carefully and asked whether he often smoked. John told him the 13. Then the doctor told him that his cough was 14 by smoking and he wouldn't get any better unless he stopped smoking.
“If not,” said the doctor, “you will never 15 from your cough and some other illnesses may also be caused.” John became 16 and made up his mind to give up smoking. At the beginning, it was very 17 for him. Every 18 when he wanted to smoke, he got something to eat. At last, he was not 19 smoking at all. And he no longer had 20.

下列实验中，经处理后的细胞仍可具有活性的是

 书面表达：   
       Peter 所在的城市昨天晚上发生了一场地震。很幸运，地震并不大，他们全家安然无恙。假如你是Peter，根据下面表格描述一下地震发生时家里人的活动情景，70词左右。

I	Take a shower	My mother	Clean the kitchen
My father	Watch TV	My elder sister Alice	Work on the computer

$\frac{1}{2}$ 的相反数是（   ）