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提取一种生物的DNA，经过碱基组成分析，知其A含量占23%，试问C占多少？假设MS2 RNA噬菌体基因组中A占28%，试问能由此求得C含量吗？为什么？

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Statistics from China (1) be mind boggling: 1.2 billion (2) , 1.73 trillion cigarettes smoked in a year, 7,000 different (3) of woody plants. But amid all of these staggering sums, one factoid stands (4) for both its audacious size and for what it says about China's future: there are 630 million Chinese under the age of 24. That's a lot of (5) energy to burn. Materialism may be the (6) preoccupation among China's young people these days, but just beneath the surface lies a feeling (7) wounded nationalist pride and an ever-deepening spiritual hunger. It isn't clear where China's young people are headed. But this is a generation that, by its (8) size and certain talents, will (9) the world's destiny.
Here's another sobering statistic: this is Terry McCarthy's 22nd, and final, cover (10) for TIME Asia-he's leaving the region (11) three years to become TIME's Los Angeles (12) chief. McCarthy, who has indefatigably crisscrossed Asia out of his twin bases of Hong Kong and Shanghai, was the main driver (13) this week's superb special report on young China. He developed the story list, guided much (14) the reporting
and wrote some of the articles. All (15) planning a swank black-tie masked ball last weekend in Shanghai. "I was (16) by the willingness of individual Chinese to write for us or talk about their (17) ," McCarthy says about the special (18) . "These are the guys (19) are going to be running the country in 20 (20) ." If we're lucky, McCarthy will be back in the region long before then.
(56)

&8226;Read this message from your secretary.
Telephone Message
Mr. Harrison called—sample of shirts not arrived yet. I checked with Sarah, she said it's on its way—will take three days. Was late because Bill Murray (Production Manager) was sick for 2 weeks. Also, only three colors available (not 5, as asked).
&8226;Write a letter to Mr. Harrison:
Apologizing
Explaining what happened
Saying when he will get the sample
Mentioning the change in the number of colors
&8226;Write 60-80 words.
&8226;Write on your Answer Sheet.

For this part, you are allowed 35 minutes to write a composition on the topic Changes in the Ownership of Houses. You should write at least 150 words for your composition and it must include the following ideas (given in chinese):
(1)根据上图描述该市住房产权的变化；
(2)分析产生这些变化的原因；
(3)说明这些变化对个人和社会产生的影响。

以《“名人效应”解析》为题，结合给定资料，写一篇1200字左右的议论性文章。要求：结合材料，观点鲜明，结构紧凑，语言通顺。(40分)